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Loophole lets Google track Apple users through online ads

Jonathan Mayer, a Stanford researcher, discovered a loophole in Safari that let Google track user’s activity through cookie-laced web ads. Google was able to achieve this by embedding a “+1” button on their ads and if a user was logged in to Google+ they would have a cookie planted on their device. This method circumvented around Apple’s restrictions and convinced Safari to allow cookies because it appeared that the “user actually submitted the form intentionally”. When notified by the Wall Street Journal, Google disabled this feature and apologized saying that they “didn’t realize” and they have “now started removing these advertising cookies from Safari browsers”.

http://www.engadget.com/2012/02/17/wsj-safari-loophole-lets-google-track-apple-users-through-web-a/

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