Bet on the Future!

[Sakiale]

Popular Science now has the PPX popsci predictions exchange. This allows you to sign up and bet on future events, and win popsci money according to how well your stocks do. There is a leaderboard and everything.. currently, I'm #318th of 25--.

Register at ppx.popsci.com

 

[Diablomonkey]

I signed up, it looks like fun and if I don't do well then I hope that I will at least have learned something.

 

[Touring Mars]

Looks very like this sort of thing...