[CurrentB]

Kind of a funny example: During my last few semesters at college I operated a textbook buyback service and experimented with facebook advertising. The one ad I put up that got me a ton of likes and positive feedback was just a small picture of a bottle of this cheap brand of vodka that happened to be popular at this party school with the text "get money for the weekend" or something. It just linked to a page where I would put up a pictures of textbooks with a caption of how much I paid for it.

This could probably be profitable for anyone if you're at a big school with a decent amount of friends.