4chan
Hello, my son is currently 13, and has autism (asperger's). I have just discovered that he has been using 4chan since he was 10. He has frequented (and posted) once on "/b/" and the rest are spread upon "/mlp/", "/ck/", "/a/", and "/c/". I do not know how to approach this situation and he doesn't know that I know he uses 4chan.