Does Facebook Get a Profit?

Why does Facebook have so many annoying applications? I don't understand the purpose. Do they get some sort of profit from people signing away their lives to receive a cyber drink from someone? I don't get it. I just want to see what someone's sending me, I don't want to promise my firstborn in order to do so. As soon as I accept, I regret the decision. There's just too many screens to click! Yesterday my friend was telling me about the joy that is Farm Town on there. Yeah, no thanks. I'm busy enough with my constant Scrabble playing and cyber stalking my ex-boyfriends (wait, what? Did I just say that out loud???). I don't need additional distractions. :)