Public Facebook Information Is Just Part of Larger Online Data Gray Market

Whether through inadvertent security problems or malicious, aggressive actions by third party applications, Facebook has sometimes struggled to completely maintain the privacy of user data. The latest example: distinct user identity numbers in URLs have been getting passed by third-party developers to advertising networks, as The Wall Street Journal published as part of an ongoing series covering online privacy last night.

There’s more to the meta-story, too. The article mentioned LOLapps as one of the guilty developers; we covered how Facebook

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