A) Kill time in between classes
B) Talk to people at home who probably would have otherwise forgotten about you
C) Waste time even when you're not in between classes.
While I recognize how much of a time suck facebook is, it's still quite entertaining. I've done what some might call a "facebook fast" at least two times before but only for about two weeks at a time. The thing that I do each time I'm on one of my "facebook fasts" is basically say as my status and in my profile somewhere that if anybody needs to contact me they can e-mail me and give me their number half hoping someone will actually want to talk to me despite my sudden inconvenience of not being on facebook. Alas, the weeks pass and not a single soul e-mails me anything.
Point? While in some cases social networking sites are wonderful for hermits and the generally socially awkward, they can also unleash the ugly trolls within people.
The definition of troll according to urbandictionary.com is "