[babs474]

For a prediction market anyone can join checkout https://scicast.org/

Whats neat about SciCast is you can make predictions based on the assumption of how other questions will turn out.

eg I think that if the price of bitcoin exceeds 1000 by 2015 at least one presidential candidate will accept bitcoin donations. If btc ends up being below 1000 I make no prediction.

[tedsanders]

Just to add, the SciCast project came out of the DAGGRE project, which was a competitor to Good Judgment in the IARPA prediction challenge.