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Re:Facebook caught sharing secret data with advertisers by matasar on Friday May 21, 2010 @01:44AM (#1366496)
re: 1 - For user shared links, Facebook redirects to anonymize the referring profile. I suspect they forgot to do the same for ads, and it was an honest if frustrating mistake.
Re:Facebook caught sharing secret data with advertisers by X-Istence on Friday May 21, 2010 @02:27AM (#1366578)
They didn't use to do this, the only reason they redirect now is so that if a link is deemed a virus of some sort they can easily stop it from spreading, and you can enable a setting so that before visiting every link you get an interstitial that tells you that you are leaving Facebook.