A Rising Problem
Another website that has a lot of information about this topic is http://www.cyberbullying.us/research.php
The above links have ideas and ways to talk with your kids or students to try to stop cyber bullying before it starts. There's a growing number of suicides linked to cyber bullying and this needs to be stopped now.
This site is useful for kids to look at and see if they are being bullied, or if they are the bully themselves.
This is a good resource for teachers to talk to their students.