Some 32% of teenagers questioned had experienced one of more of the following: having a private e-mail, IM or text messaging forwarded or posted where others could see it, the victim of an aggressive email, IM or text message, having a rumour spread about them online or having an embarrassing photograph posted online without permission.

As more and more young people join social networking sites such as MySpace and Facebook, so they are opening themselves and their personal information up to more people.

The survey found that 39% of social network users had been cyber-bullied in some way, compared to 22% of online teens who do not use social networks.

more info at: BBC NEWS | Technology | Cyber-bullying gathers pace in US