hidden, or covert. sometimes it's right there in your face. >> go die. stop trying to be popular. you're ugly. >> you mess with one of us, you mess with all of us. >> i really get to a point where i just want to burn bodies. >> those are some of the tamer posts we can actually show on television. remember, these are all from 13-year-olds. how can they talk to each other like that, you might ask? the answer is complicated. because the communication is done digitally, teens are able to remove themselves emotionally from what they say. in fact, most told us that they say things on social media they'd never say face-to-face. >> i don't like dealing with things face-to-face because it's really easy to hide behind your phone, and on face-to-face, you have to deal with the other person and i don't like dealing with people that cry or get really mad and they say