Non-Work Freebies

http://www.freerice.com/ – Basically, you answer vocabulary questions and fight world hunger at the same time. How does it work? Well, they get paid for the advertising at the bottom of the screen, then give that money to the United Nations.

http://www.galaxyzoo.org/ – All the galaxies in the universe come in something like 5 basic shapes. Computers aren’t really that good at identifying the shapes, and there’s an awful lot of photographs that need identified. You take a short course on how to identify them, then create an account on their site. They show you photographs of galaxies, and you identify the type of galaxy.