I'll send a horrible message to this random E-mail address that I found online.
Ha, ha, ha! That's such a good idea Mike!
Wow! I couldn't possibly have heard you correctly could I? You're going to-
Shut up Jake or I'll-
Yes, when online you should always be careful about what you say to people. Some people have even killed themselves after getting particularly nasty messages.
*Gasp!* What!?!
OMG!
Other things you shouldn't do online include: Trolling, swearing, posting photo's of other people without their permission...
We're sorry sir!
We won't do it again!
… and definitely never ever try to hurt someone for the "crime" of using the internet.
We won't sir!
We didn't realise!
I think I'm getting quite good at this teaching buisness.