Are there any? Well ok, if you look at the screen too much it's bad for your eyes? That kinda thing? It stops people from getting off their back sides and going to the library like we used to have to to do research, therefore it is to blame for the countries fat layabout youths of today.
Erm, let me think about this one. If we were talking about e-mails then it would be easier. That would take away all the stuff you get with personal communication etc...