tag:blogger.com,1999:blog-31457008001548051642024-02-08T05:25:10.295-08:00Tech Infosblogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.comBlogger5125tag:blogger.com,1999:blog-3145700800154805164.post-68637269972032431972012-05-23T04:37:00.001-07:002012-05-23T04:37:20.175-07:00Knowing more about Image Formats and its uses<div dir="ltr" style="text-align: left;" trbidi="on">
<br />
<div class="MsoNormal">
<span class="Apple-style-span" style="font-family: Georgia, 'Times New Roman', serif;"><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; color: #3b3b3b; line-height: 115%;">The primary <b>issue</b> when dealing with <b>online images is quality versus file size</b>
-- a<span class="apple-converted-space"> </span></span><span class="pale-red"><span style="color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">bigger</span></span></span><span class="apple-converted-space"><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;">image
file size<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">normally</span></span></span><span class="apple-converted-space"><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;">produces
a good quality image, but it slows download and consequently degrades user<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">feel</span></span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">. From a monetizing
sense, slow downloads mean users are more likely to get distracted and<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">quit</span></span></span><span class="apple-converted-space"><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;">a
Web page prematurely. Less important for smaller-site purposes, although still
an issue, is that the<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">bigger</span></span></span><span class="apple-converted-space"><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial; background-position: initial initial; background-repeat: initial initial; color: #3b3b3b; line-height: 115%;">the
file size the more storage and bandwidth you need.</span></span><span style="color: #3b3b3b; line-height: 115%;"><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Have you ever wondered what the differences are
among the scores of digital image formats out there? Some of the more common
ones we see are GIF and JPEG but what does it all mean, and why are there so
many?</span> <span style="mso-spacerun: yes;"> </span>Plus, how do you know which
one to<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">consume</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">for
the Web, and how can you take advantage of the different feature sets each one
offers? </span><br />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Select the RAW capture option within your camera
or scanner settings. Wherever available choose the "RAW " option when
taking photographs with a digital camera because RAW is a virtually lossless,
unprocessed capture of<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">information</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">from
the camera's sensor.</span> Saving in minimally compressed RAW means that you
will always be able to come back to the<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">information</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">file
and manipulate it however you<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">need</span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">. By saving in the commonly seen alternative JPEG
camera<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">structure</span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">, you are
introducing unremovable, hard-baked processing -- like white balance and
contrast -- into the image. Think of <b style="mso-bidi-font-weight: normal;">saving
in RAW as a bit like saving a negative</b>.</span> he advantage of RAW is also
its disadvantage -- in that you do<span class="apple-converted-space"> </span></span><span class="pale-red"><b style="mso-bidi-font-weight: normal;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">ought to</span></b></span><span class="apple-converted-space"><b style="mso-bidi-font-weight: normal;"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span></b></span><b><span style="background: white;">post-process
it </span></b><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;">with software like Adobe Photoshop
or Adobe Lightroom post shot. Another <b style="mso-bidi-font-weight: normal;">disadvantage
is its large file size</b>.</span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br />
<span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Be aware of the image's ultimate<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">consume</span></span><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">. This article is concerned with images for blogs,
website shopping carts and so forth.</span> <span style="mso-spacerun: yes;"> </span>There are considerations in this medium that
are different from those for print.</span> <span style="mso-spacerun: yes;"> </span>The more pixels or other<span class="apple-converted-space"> </span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">information</span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">, and the more color in an image, the bigger the
file. However, the <b style="mso-bidi-font-weight: normal;">files size can be
reduced through compression</b>. The Web browser on a computer screen lends
itself to compression that would be unacceptable in large print like a
billboard -- garbage called " artifacts " and other degradation<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">show up</span></span><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">.</span> Browsers also have limitations that
restrict the types of files they can show, which eliminates most of the 70 or
so commonly available file types.</span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br />
<span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Therefore, once you've captured your RAW image, or
acquired through other means other formatted images, like printing
industry-standard TIFF from a stock agency, you can concentrate on converting
it to the three image file types seen natively in a browser -- that is without
plugins like Flash.</span> <b style="mso-bidi-font-weight: normal;">The native
image file types are JPG, GIF and PNG.</b></span></span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br />
<span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Click on the " File " in the Menu Bar of
your image software<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">and so</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">"
Save As. " Choose the JPG or JPEG option if the image is a photograph.</span>
Here's why. JPEG compression is " lossy, " which means the
compression algorithm dumps file<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">information</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">that's
not necessary for a computer screen browser. Thus, getting rid of redundancy,
JPEG<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">brings</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">for
small file sizes. However, <b style="mso-bidi-font-weight: normal;">JPEG allows
for 8 bits per color</b> -- which is good.</span> <span style="mso-spacerun: yes;"> </span><b style="mso-bidi-font-weight: normal;">Drawbacks</b>
are few. The principal one is that you <b style="mso-bidi-font-weight: normal;">can't
keep editing and saving</b> JPEGs because quality degrades.</span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Choose GIF for Graphics</span>.Again, this<span class="apple-converted-space"> </span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">structure</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">brings</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">a
size-beneficial " lossy " compression, but with less color support.</span></span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<b><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">GIF is<span class="apple-converted-space"> </span></span></span><span class="pale-red"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">restricted</span></span><span class="apple-converted-space"><span style="background: white;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"> </span></span><span style="background: white;">to 256 colors</span></span></b><span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;">.
GIF works well when significant parts of the image have one color. GIF is poor
at handling details.</span><br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
<span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"><span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;">Choose <b style="mso-bidi-font-weight: normal;">PNG
for Screen Shots</b></span></span>.<span style="background-attachment: initial; background-clip: initial; background-color: white; background-image: initial; background-origin: initial;"> PNG is the
open source successor to Compuserve's GIF, but unlike GIF, it supports <b style="mso-bidi-font-weight: normal;">16-million colors</b>, called " True
Color. "</span>. Like GIF, it's good for expansive areas of the same
color. It's commonly used for screen shots when displaying them within a
browser environment.<br style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;" />
</span>
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<span style="-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; float: none; orphans: 2; text-align: -webkit-auto; widows: 2; word-spacing: 0px;"></span></div>blogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.com0tag:blogger.com,1999:blog-3145700800154805164.post-84356589401863582882012-05-23T02:38:00.004-07:002012-05-23T02:38:57.599-07:00Skype's fault may lead to crucial attacks<div dir="ltr" style="text-align: left;" trbidi="on">
<div style="text-align: -webkit-auto;">
<span class="Apple-style-span" style="color: #3b3b3b; font-family: Georgia, 'Times New Roman', Times, serif; font-size: 14px; line-height: 21px;"></span><br />
<span class="Apple-style-span" style="color: #3b3b3b; font-family: Georgia, 'Times New Roman', Times, serif;"><span class="Apple-style-span" style="font-size: 14px; line-height: 21px;"></span></span><br />
<div class="MsoNormal">
<span class="Apple-style-span" style="color: #3b3b3b; font-family: Georgia, 'Times New Roman', Times, serif;">An imperfection in <b style="mso-bidi-font-weight: normal;">Skype</b>
apparently <b style="mso-bidi-font-weight: normal;">permits consumers</b> to <b style="mso-bidi-font-weight: normal;">learn the Internet protocol addresses of
other consumers</b>. Finding out that someone's snooped your IP address may not
sound as alarming as finding out your Social Security number's been exposed,
but the data could <b style="mso-bidi-font-weight: normal;">be consumed by</b> a
determined and talented <b style="mso-bidi-font-weight: normal;">hacker</b> to
build up more sophisticated attacks.</span></div>
<span class="Apple-style-span" style="color: #3b3b3b; font-family: Georgia, 'Times New Roman', Times, serif;">
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
Skype is investigating a tool published just now on Pastebin
that captures the final-known IP address of the VoIP service's consumers . This
particular flaw was discussed in a paper presented by an international team of
researchers in November at the Internet Measurement Conference 2011 in Berlin.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
The fault <b style="mso-bidi-font-weight: normal;">could lead
to crucial attacks</b>, warned Randy Abrams, a security consultant. "There's
a lot more at risk than just IP disclosure," Abrams. "The ability to
restraight to other Web page implies the ability to frame someone for accessing
child pornography, among other non-trivial attacks, for example." <span style="mso-spacerun: yes;"> </span>The tool exploits a <b style="mso-bidi-font-weight: normal;">patched version of Skype 5.5.</b> Skype's flaw <b style="mso-bidi-font-weight: normal;">permits</b> anyone see <b style="mso-bidi-font-weight: normal;">other
person's vCard</b> and get that person's <b style="mso-bidi-font-weight: normal;">real
consumer IP address</b> and the <b style="mso-bidi-font-weight: normal;">IP
address of the internal network card</b> on that person's PC.<span style="mso-spacerun: yes;"> </span>A vCard is a file structure standard for
electronic business cards.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
More data about the target, such as the city and country
where he or she is located, and the Internet service provider the target is
using, can be obtained by going to a Whois service. Whois is consumed to get
data on registered consumers or assignees of domain names and IP address
blocks, among other things. The researchers stated that the <b style="mso-bidi-font-weight: normal;">flaw could permit Voice over IP phone
systems</b>, including Skype, be exploited by third parties to asparticular
consumers' identities, locations and digital files. The flaw can be exploited
by a sophisticated hacker of high school age, they spoke.</div>
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Tracking Skype accounts and combining this with commercial
geo-location services permit the researchers construct a detailed account of a
consumer's daily activities even if the consumer had not accessed Skype for 72
hours. By repeatedly calling targets over Skype and terminating the calls
regularly, perhaps hourly, <b style="mso-bidi-font-weight: normal;">attackers
could realize the locations and movements of any Skype consumer</b> over weeks
or months without the targets' knowledge, the researchers spoke. They could
discover which digital files targets downloaded by combining this attack with
tracking targets' activities on popular peer-to-peer file sharing systems such
as BitTorrent.</div>
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Linking data obtained from VoIP systems through the flaw to
personal data from social media sites would permit marketers create profiles on
large numbers of people, the researchers spoke. They estimate it will price a
marketer only about US$500 a week to track 10,000 consumers.</div>
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The researchers notified both Skype and Microsoft , which
purchased Skype final year, of their findings.</div>
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Skype service is now available on the Windows Phone and the
PlayStation Vita, and this <b style="mso-bidi-font-weight: normal;">may open up
fresh areas of attack</b>. "The potential of abconsume on these platforms
wants to be carefully reviewed," Abrams warned. "The problem itself
may well exist in other undiscovered areas, as programming logic errors are
commonly repeated." The researchers recommended various tactics VoIP
service providers can consume to protect consumers.</div>
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One approach is for the designer of the VoIP signaling
protocol to ensure that a consumer's IP address is <b style="mso-bidi-font-weight: normal;">not showed to callers unless the consumer accepts the call</b>. If a
consumer blocks all calls from people not on their contact list then anyone not
on that list won't be able to determine the consumer's IP address. The
researchers recommend this solution for all VoIP applications. Think of this as
<b style="mso-bidi-font-weight: normal;">Caller ID in reverse</b>.</div>
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Users may <b style="mso-bidi-font-weight: normal;">also need
to block people on their contact list from getting their IP address</b>. To do
this, the researchers recommended VoIP service providers pass all calls through
relays. This will attach the IP address of the relay to the data. However, this
solution increases VoIP traffic and slows P2P communication.</div>
</span><br />
</div>
</div>blogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.com0tag:blogger.com,1999:blog-3145700800154805164.post-72928170214812964452012-05-21T05:14:00.001-07:002012-05-21T05:29:11.349-07:00Verizon tries to terminate the Unlimited Data<div dir="ltr" style="text-align: left;" trbidi="on">
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It may be the starting point of the<b> termination for unlimited mobile information</b>. Verizon voices it will shortly nearly wipe out the tradition of allowing aged customers to re-up their limitless plans each case they obtain a fresh contract. Other carriers like AT&T may imitate shortly. Meanwhile, Google mulls Nexus, Microsoft maintains its APIs under covers, and Yahoo once more plays the field for a fresh CEO .</div>
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Wireless carriers have begun to recognize that <b>once you give flat-rate</b>, all-you-can-eat settlements,<b> it tends to reveal the boar within people</b>. Whether it's food or beer or cellular information, consumers will gorge themselves on it, and the sideboard set-up can rapidly turn into a money-losing statement if you don't formulate it out just straight. That's even more right when your clients have continuous access to the resource you have on offering -- like mobile information through those mobile phones they carry with them 24/7 .</div>
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Originally, those limitless data plans were <b>introduced to pull in users</b> to these new things named "smartphones." There weren't really plenty in circulation, networks weren't particularly full, and an additional US$30 per month on a subscriber's bill meant profit whether they utilized 1 GB or 10 .</div>
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Fast-forward a couple of years, and limitless data subscribers are carriers' most-hated users. In reality, few weeks ago, AT&T CEO Randall Stephenson voiced that his firm should have never offered users all-you-can-eat data plans in the primary position. AT&T subscribers, you have wronged this person. Please give your apologies written no subsequent than June 1 .</div>
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Most carriers <b>no more offer limitless plans to fresh consumers</b>, but they do permit old subscribers unceasingly renew their unlimited plans each case they renew their agreements. Just because you granddaddy in your old scheme, yet, don't anticipate fine sailing. Some providers will just suppress your connection speed once you consume a particular amount of data. It's yet limitless, simply incredibly slow. Joke's on you .</div>
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That's why it was in reality sort of refreshing in a sense to hear what Verizon CFO Fran Shammo voiced at a JP Morgan meeting this week. Instead of whining about limitless subscribers butchery the network or thinking up any new loophole to irritate them into selecting a fresh scheme, Shammo said Verizon would shortly naught the grandfather clause completely. Users who need to upgrade to a fresh LTE smartphone would not be offered the opportunity of importing an aged limitless scheme for the fresh agreement. It's as well going to boost data-sharing schemes that allow families and some other groups share mobile data .</div>
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Some<b> subscribers are going to be mad about it</b>, remaining providers will likely follow suit shortly, and it's a annoyance that the period of limitless is in all probability trailing us. But as lasting as ongoing agreements are esteemed until they run out, <b>nobody's being cheated</b>. Verizon was never merchandising lifespan passes. It's just going to propose a fresh collection of terms on new agreements -- <b>lift it or quit it</b>. At least making a tidy slice like this beats coming up with any outrageous campaign of browbeating consumers and needling them with technicalities .</div>
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However, it seemed Shammo's remarks caught Verizon PR somewhat flat-footed. The firm rapidly issued a pronouncement describing customers that it was solely "evaluating its pricing structure" and that it'll share particular information of new schemes well in advance -- simply not presently .</div>
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It did show a fresh tidbit, though: <b>Unlimited schemes aren't</b> in reality<b> going indefinitely</b>. Anyone with an limitless scheme can hold on to it once they obtain a fresh phone -- as long as they settle complete cost for the phone .</div>
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Phone creators frequently attempt to bring forth with ways to leave from beneath the boot-on-neck relationship they have with wireless providers. If a phone creator desires to access a carrier's retail channels and the cost subsidies it proposes purchasers, it's going to be required to cause compromises -- that attribute is going to ought to shift, this attribute wants to alter, and move and flow in all these network-exclusive factors of ours that get involved with the phone's original designs .</div>
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Unlocked phones and straight sales don't must deal with that as much, but they normally have a really complicated instance getting traction. Just check with <b>Google</b>. Two years ago, it well-tried to market its primary <b>Nexus cellular phone in a fresh manner </b>that fundamentally slice providers out of the loop. Sure, providers were still required to give service, but they had zero part in gross sales. The Nexus One was sold-out online straight from Google, its cost and carrier availability were sort of confusing, and<b> it turned out to be a true flop</b>. The successive Nexus cell phones were sold the old fashioned manner, once in a while having a attribute lopped off in the procedure .</div>
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Maybe the world simply wasn't arranged back in 2010. Maybe the scheme can work presently, with a couple of important tweaks and improvements. That looks to be what Google's thinking as it reportedly musters fresh devices for a 2nd try to up-end the carriocracy .</div>
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The<b> new scheme will as well affect straight sales from Google to users</b>, according to a study in The Wall Street Journal. And it will involve unlocked cellular phones. But this time it will cover more than simply a single Nexus -- it will cover Nexus phones from multiple makers. It will as well concern Nexus tablets. And particular brick-and-mortar stores may possibly go in on the stir too, therefore consumers will in reality be able to elevate and handle a new phone before purchasing it, if they insist .</div>
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Google and its hardware comrades seemingly scheme to create Nexus phones their route, propose the features they need, and sell to purchasers without indenturing them to two-year agreements. Its Nexus line could become the Android industry standard -- a purified line of Android products, as opposing the illegitimates and mongrels tainted by means of carrier involvement. <b>Google would likely go along</b> to permit providers to propose<b> mutated versions of Android</b> all they need, but Nexus would be on a stand. If it's managed good, the Nexus series could be Google's solution to fragmentation and an response to the iPhone's squeaky-clean image .</div>
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<b>If there's a hitch, it's got to be price</b>. The freedom of an unlocked phone comes with a cost, and that cost normally rings up to several hundred dollars. If there's no wireless provider to give a subsidy,<b> Nexus cellular phones could end up being two to threefold more costly than carrier-approved phones</b>, and Google could be in for somewhat deja vu .</div>
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Using search engines like Google sometimes needs you to alter the manner you think and converse.<b> When you speak with other individuals</b>, you normally<b> don't ought to be 100 percent literal</b> and detailed. It depends on who you're talking with, but usually there's at least an unspoken grasp and "you-know-what-I-mean" that goes on. Otherwise you'd sound like a robot .</div>
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Not so when you strike a search engine. You want to give an account it specifically what you're in search of as expressly as possible. It may possibly support to use "+" signs and order your words in a particular manner. You must recall you're talking to an algorithm that sorts words but doesn't recognize them, and the topmost results it offers you will be the foremost mathematical match to the mix of alphanumeric characters you typewritten in, regardless of what those words and numbers truly indicate .</div>
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Google's trying to relax that up by adjusting the math. It's added what it calls its "<b>Knowledge Graph</b>." It's compiled from information on half a billion people, locations, things and historical actions. Relationships are graphed out in a sense supposed to move to <b>what the searcher is truly looking for,</b> not simply match a handful of characters and call it day. "Things, not strings" is how Google lays it .</div>
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For instance, if you're inquiring for Frank Lloyd Wright, you're in all probability trying to realize about architecture, not whatsoever works he's written. A search for Isaac Asimov proposes an interest in sci-fi, to some extent than reforming the calendar or writing limericks .</div>
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The Knowledge Graph is a step on the way to real linguistics search, a style of searching the Web by means of <b>understanding individual aim</b> and the contextual meaning of terms. As search turns more semantic, it'll more closely match asking an actual human for assist uncovering what you want -- except that individual will happen to know almost all page on the Web .</div>
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As if Microsoft's prolonged absence from the tablet market hasn't been agonising enough for the firm, its entry into the market could set it on the incorrect side of antitrust rules .</div>
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So far, the tablet scene has been all around iPad, with a dish of Android, and perhaps a light dusting of PlayBook. Technically you can obtain something named a "tablet" that runs Windows, but it's not an OS built for the fashion factor, and the market proportion for those devices is literally zero .</div>
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<b>Microsoft prospects</b> to alter that with the entry of Windows 8. Its coming OS lineup will contain a version named "<b>Windows 8 RT,</b>" which is designed specifically for devices using ARM chips -- in other words,<b> mobile devices like tablets</b> .</div>
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Windows 8 RT will still be Windows, but it'll be a really different breed. One variation that came to light just now has to accomplish with browser choice: In Windows RT, <b>you can solely use Microsoft's own Internet Explorer</b>. Microsoft isn't distributing APIs to remaining browser creators, according to Mozilla, the firm that creates the Firefox Web browser. Google, creator of the Chrome browser, as well registered its attentiveness .</div>
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Microsoft's refusal to share its application programming interfaces could infringe of fair regulators. The company took an large blow from the DoJ around 15 years ago for abusing its market superiority and leveraging it to move Internet Explorer and hem out rivals. Similar complaints were more recently settled in Europe. It's left Microsoft and all its opponents severely sensitive just about how IE is handled. On the surface, hording APIs for an edition of Windows may possibly look similar to a noticeable infringement of the rules Microsoft agreed to .</div>
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But that depends on what your explanation of "market dominance" is. Microsoft's yet an extremely large player within software in overall, and <b>Windows is still the utmost widely used desktop OS in the world</b>. But in tablets, Microsoft is practically cypher, and that won't transform the instant Windows 8 rolls out the door. It faces a difficult, lengthy crawl in that sector, and for now, an accusation of abusing open market superiority is nonsensical, if you're speaking about tablet upper hand particularly. If in a couple of years Windows tablets gain a crucial grip and still disallow opponent browsers, that's going to be a diametrical subject matter .</div>
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So it remains to be seen simply how much heat Microsoft will hold this. The U. S. Judiciary Committee is giving the issue a watch, but really making a lawsuit against Redmond over this could turn out complicated in the U. S. Europe, though, can be seriously much affected by this kind of movement .</div>
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<b>Yahoo has squeezed out another CEO</b> -- the second one in less than a year. No statement on whether <b>Scott Thompson</b> was dismissed via a telephone call similar to his predecessor Carol Bartz, but the Web firm again has been left in the guardianship of an temporary CEO. Last time it was CFO Tim Morse; this time global media leader Ross Levinsohn gets to handgrip the wheel until a new chief is found .</div>
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Thompson's leaving came somewhat over a week after it was disclosed that his resume listed a academy degree in computer science that he had never attained, and that it had been catalogued there for quite a time -- long-term before Thompson ever started working at Yahoo. When it was disclosed, Thompson insisted it was unintentional, but <b>he didn't have a lot support</b> from any person within or outside the corporation. His <b>decision to strike Facebook with an exclusive rights lawsuit</b> price him points with Silicon Valley in overall, and Yahoo's massive layoffs beneath his watch didn't cause him much of a hero among the firm rank and file either .</div>
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He as well faced a really strong-minded activist investor leading the charge opposed to him: Daniel Loeb of hedge fund Third Point .</div>
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The query "what next?" doesn't simply apply to Yahoo's hunt for a fresh leader. The firm as well wants something to accomplish. It's still the fourth-largest Web organization in the world, but it doesn't seem to have any particular intent. A little weather, a bit sports, a little image sharing, some e-mail, but what's it's true unparalleled talent? It lost search to Google, and it never fastened onto social networking the style Facebook did. Cutting jobs and suing remaining companies was the degree of Thompson's scheme -- as much as he had time to exhibit, anyhow. But what job can Yahoo perform more than everybody else? Where can it be king?</div>
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Now Loeb before I go has his path -- the CEO's out, various board members are departed, the rest of them were made to look a lot like comics, and he and a couple of his allies have been given places at the table. Best of luck turning what's left of Yahoo about, but it does cause me wonder <b>what superb master plan Loeb has in head</b> that made him battle so rough to get wherever he is. Now that he's in the control room,<b> what's he going to perform to bring back Yahoo</b> that hasn't already been through before?</div>
</div>blogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.com0tag:blogger.com,1999:blog-3145700800154805164.post-86553864152225221582012-05-19T05:07:00.002-07:002012-05-19T05:07:41.804-07:00Google's Knowledge Graphs for more effective searchs<div dir="ltr" style="text-align: left;" trbidi="on">
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Google is shifting nearer to <b>linguistics search with its Knowledge Graph</b>, which intents to present much more than important data than an opening query may possibly claim. "The Knowledge Graph will add meaning to strings <b>beyond keyword matching to words</b>," said Gabe Donnini, data solutions engineer at Chitika. "It will understand the meanings and <b>relationships behind the keywords</b>. "</div>
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Google (Nasdaq: GOOG) is <b>broadly updating its search</b> function with the rollout of a fresh Knowledge Graph .</div>
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The heart of the Knowledge Graph is a database Google has compiled, via its own investigation and through with its acquiring of MetaWeb Technologies, of 500 million individuals, locations, belongings and factors of past times. That, united with a polished way of approaching to search, will produce an feel aimed at more <b>determining the searcher's aim</b> and so providing a more-targeted, detail-rich catalogue of results .</div>
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One attribute of the latest search structure, which started reverberating out this week in favour of English-language users in the U. S., is a container that will show up in the upper right corner of the search screen. It will <b>offer users</b> the option of t<b>apering a search for a taxonomic category word</b> -- for case in point, the word "battleship" -- to a particular subject, such as the blockbuster movie that is beginning this weekend .</div>
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Search results will as well be populated with much content, like maps and photographs or, in the case of a celebrity or historical occurrence, a summary box of data .</div>
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<b>Things Not Strings</b></div>
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The largest striking for the seeker, even so, is the manner Google will attempt to understand aim -- the search engine giant's stealthy sauce, so to speak .</div>
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That is what will fit it with the exception of remaining search engines that are as well shifting to much graphical, image-based query replys, like Bing, spoke Gabe Donnini, data solutions engineer at Chitika .</div>
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Consider the search phrase "taj mahal," in use in place of an sample in the Google blog post written by means of SVP of Engineering Amit Singhal .</div>
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It could mention to one of the world's utmost pretty constructions, a Grammy Award-winning musician, a gambling casino contained by Atlantic City, or a neighbouring Indian restaurant, he noted .</div>
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An i<b>ntelligent prototype can recognize the "graph"</b> -- that is, the associations of real-world entities to one other, said Singhal. "Things, not strings. "</div>
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" The Knowledge Graph will <b>add meaning to strings</b> beyond keyword matching to words," Donnini told TechNewsWorld. "It will understand the meanings and relationships behind the keywords. "</div>
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Thus it will present smarter grades .</div>
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For example, Google search presently knows that when a person searches for "Charles Dickens," that individual is more probable to be curious in a listing of paperwork he wrote, noted Singhal. By contrast, a seeker for Frank Lloyd Wright would likely be much fascinated in information of the structures he designed than any books he might have authored .</div>
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<b>The Beginnings of Semantic Search</b></div>
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The Knowledge Graph is the starting of a wider move to a much user-intuitive search function titled "semantic search." Earlier this year, studys emerged that Google was preparing to start a principal <b>reformation of how it approaches search</b> .</div>
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" This is the first of many iterations that will be coming in which Google will be changing the way it classifies the Web," Grant Simmons, group account chief with The Search Agency, told. "Search is <b>moving from a list of links to a list of entities</b>. "</div>
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The Knowledge Graph approaches search with assuming that all query is a probe and that the person desires plenty informations in the region of the query word, Simmons said. It then presents what it considers the u<b>ser finally desires to know</b> -- or leastwise what the adjacent possible query stair would be .</div>
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Knowledge Graph seems to be rolling out on a restricted ground, controlled to <b>outstanding topics</b>. Eventually it will increase to a bigger part of searches in place of the functionality upgrades, he foretold .</div>
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Knowledge Graph, and subsequent linguistics search,<b> will as well upgrade other Google products</b>, recommended Donnini .</div>
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" The increased level of granularity and increased level of understanding provided by the Knowledge Graph will support the <b>success of such Google initiatives</b> as Google Wallet and Google Offers. "</div>
</div>blogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.com0tag:blogger.com,1999:blog-3145700800154805164.post-88071365551784851332012-05-19T03:46:00.001-07:002012-05-19T03:46:14.952-07:00Facebook sugests further privacy policy alterations<div dir="ltr" style="text-align: left;" trbidi="on">
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<b>Facebook</b> spoke on Friday that it wishs to make additional adjustments to its <b>privacy policy</b> in order to <b>answer to an audit</b> by the Irish government, but privacy advocates saw the move as an <b>inadequate attempt</b> to quell privacy concerns prior to Facebook's planned initial public offering.</div>
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The planned adjustments, which the company put out for public remark on Friday, <b>don't appear</b> to reflect any <b>major shifts</b> in policy. For the most part, the document makes more detailed how Facebook is <b>already using individual information</b>. The company has also <b>updated</b> the policy to reflect newer features, such as cover pictures .</div>
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The planned adjustments are not final. A document highlighting the planned adjustments is <b>available on the website </b>in PDF form, along with an explanation of the adjustments. The company is asking for individual reponse and will host a web <b>question-and-answer session</b> about the adjustments May 14 at 9 a. m. Pacific time .</div>
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Sarah Downey, a privacy expert and lawyer at privacy software vendor Abine, spoke the more <b>detailed language was essential</b> by a consent decree issued final year as part of a settlement with the U. S. Federal Trade Commission, and by the audit by the Irish Data Protection Commissioner .</div>
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Downey spoke once Facebook goes public, it will face pressure to create more revenue and will likely fulfill that goal by using <b>personal data to market targeted advertising</b>. The initial public offering (IPO) is anticipated to take place on May 18 .</div>
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" Their financial success really requires them to collect more usable personal information and make that information available and accessible to advertisers. We expect that more private information about users is going to be disclosed," she spoke .</div>
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Jeffrey Chester, the executive director of the Center for Digital Democracy, also spoke the upcoming IPO will lay the labour for greater pressure to individual privacy .</div>
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" Facebook <b>can't possibly protect the privacy </b>of its users and grow as publicly traded company. It's going to be increasingly difficult for them to grow their business significantly without collecting and <b>monetizing more of its data</b>," he spoke .</div>
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Downey said an apparent change could be significant for consumers: Even if a Facebook individual <b>does not share</b> his or her phone number or email address publicly, default settings will make it possible for others to<b> search for the user</b> on Facebook using that data .</div>
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The information Facebook acquires and brings to third-party advertisers, a controversial topic among privacy advocates, was also the subject of substantial revision. For instance, where the current policy says that Facebook can consume "the information it receives about you. .. to measure or understand the effectiveness of ads you and others see," the latest policy makes obvious that that includes "<b>deliver[ing] relevant ads to you</b>." Delivering such user-specific advertising often involves <b>sharing individual information with third-party</b> advertisers .</div>
</div>blogfeederzhttp://www.blogger.com/profile/02998437512011574822noreply@blogger.com0