*ahem* If it's their shit, they can do whatever they want with it. If you really really need to go on facebook and don't want them to know about it, then wait until you get home and use your personal computer.
If you lent your laptop to someone and they went and downloaded a ton of porn, you would get mad wouldn't you (well, some people probably wouldn't)? So if your at school/work, and using their stuff, don't do anything you know you will regret later.
Once I did have a friend get expelled because he had a myspace account. Nothing bad was put on the account, it was just an account; and he was expelled...and I can't find a single damn thing in the school's rulebook about it. They really overstepped their boundaries on that one.
Also they tried to ex-spell students for going to the movies.
And Cyberbullying, not a big deal from my standpoint. I have received threatening E-mails, texts, all that shit. Let me tell you, a e-mail is nothing compared to some punk trying to stab you. *insert bad memory here*
If someone sends me a hatefilled email, I read it, laugh and ignore it. If its one my youtube account, I delete it. People, especially most people my age, are complete and total pricks, me included sometimes. All you have to do is ignore it; the real problem is physical bullying.
Actually I would prefer cyberbullying over physical bullying. Really what's worse, getting an e-mail saying "your a fag, go kill yourself you worthless piece of shit." Or leaving school, being confronted by a bully and his two friends, and them saying that same statement and then beating the hell out of you?