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Mandatory age checks aimed at verifying users may not do much to protect children on Facebook, MySpace, Bebo, and other social networks. A task force on the behavior of teens on social networks found that the majority of young people who've actually had sex with adults they met online did so without any sort of deception. Does this mean that men in their fifties no longer have to go about pretending they like Hannah Montana if they want the affections of the underaged? No, it just means they're already onto you, dude. (Photo by generated)