School districts are turning the tables against cyberbullies, using technology to flush out and crack down on online harassment.

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MORE THAN 43 PERCENT of teenagers have been the victims of cyberbullying, according to research from the National Crime Prevention Council, which defines cyberbullying as using technology-- including the internet and cell phones-- to harass, embarrass, or hurt someone. However, other studies don't see the harassment as quite that prevalent-- including a 2007 report by the Pew Internet & American Life Project that said about one-third of teens are victims of online harassment.

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