Lookit!
Nervousness.org
This has got to be one of the coolest things I've ever seen. Y'remember those stupid chain letters your cousins used to send you (oh, wait, that was only my relatives...sorry)? The ones where you send the letters to ten people and somehow someone sends you pencils? It's a little like that...only cooler. Much cooler. Mmm, temptation. S'just nifty, you know?