PC World - In the wake of high profile cyber-bullying cases -- such as the one that led to a teenage suicide in 2006 -- social networking sites have been tightening the belt on Internet security. Pushing itself to the forefront, Facebook has overhauled its Safety Center with de******ive information for teens, parents, law enforcement officials, educators and general users to help protect themselves against scammers, bullies and other riffraff.
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