5/21/2010

The use of user-specific URLs tied to accounts on Facebook and MySpace have led to the exposure of information that can identify individual users to marketers, despite explicit assurances by the social networks to users that such disclosures would not occur, according to this article. Companies that have received the user data, including Google-owned DoubleClick and Yahoo!'s Right Media, say they did not know that they had been receiving such data, and hadn't used it. Facebook said it had updated its system to prevent such disclosures.

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