This Is How Facebook Is Tracking Your Internet Activity
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Abine defines trackers as "a request that a webpage tries to make your browser perform that will share information intended to record, profile, or share your online activity." The trackers come in the shape of cookies, Javascript, 1-pixel beacons, and Iframes.Cookies are tiny bits of software that web pages drop onto your device that identify you anonymously but nonetheless signal useful behavior about your background interests to advertisers who might want to target you.
Critics call this spying. Advertisers call it targeting.
In an email to Business Insider, Abine privacy analyst Sarah Downey explained why users should pay more attention to trackers, and block them:
In addition to invading your privacy,
these tracking requests can consume large amounts of data. And
transferring lots of data takes time. Generally, the more tracking
requests on a website, the slower that website loads. That's why DNT+
gets you surfing at 125% of the normal speed and with 90% of the
bandwidth, compared to a browser without DNT+ running.
Equipped with this insight, an inquisitive Facebook user
might be wondering why they wouldn't block all trackers and cookies
alike. With a slightly harsh tone, the Facebook page cautions:
Technologies like cookies, pixel tags
("pixels"), and local storage are used to deliver, secure, and
understand products, services, and ads, on and off Facebook. Your
browser or device may allow you to block these technologies, but you may
not be able to use some features on Facebook if you block them.
There is certainly truth to this statement, not all cookies are used
for tracking. Many are simply placed in order to store information for
later use. But it is the broader scope of "requests" that present the
larger issue. In simple terms, Downey explained that when you navigate
to a website, your browser constructs that site by communicating back
and forth with the server where the site information is stored. These
communications are the “requests.” But it isn't just the website you are visiting that makes requests for information: online trackers from other companies hidden on the site do it, too. They act as third parties on your computer: you can't see them without privacy software, you probably wouldn't expect them to be present, and you probably don't intend to share your information with them.
They request information like your geographic location, which other sites you’ve visited, what you click, and your Facebook username.
In terms of what the "requests" represent, Facebook declined to comment because, in their opinion, the requests do not mean much unless you can see exactly what they are and how they are used. Facebook's entire site is run off of JavaScript and other such tags that have an array of purposes.
So, we set out to see just how much Facebook is watching our internet browsing activity. Using the Abine software, we tracked to what extent Facebook trackers increased for each new click. We started by cleaning out the browser cache and search history, and then went about using the browser like it was the start of a typical work day ...
Read more: http://www.businessinsider.com/this-is-how-facebook-is-tracking-your-internet-activity-2012-9?op=1#ixzz265yQzpyQ
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