Cyberbullying - a Newsround special
11 February 2014 Last updated at 17:43 GMT
We hear more and more about cyberbullying in the news all the time.
Sadly, with things like internet and smartphones, the way kids are being bullied is changing.
In this Newsround special, Ricky investigates cyberbullying and speaks to those affected by it, and those who have overcome it.