http://www.youtube.com/watch?v=_WGdwY6h5JI&t=25m30s
"Robert(Scoble) is right, everyone's right, we should have done it, we could have done it, we didn't because I don't like conferences. Again, my bad, it's my responsiblity, I just didn't want to do it."
Honestly, it seems to me that he was either too hubristical or naïve.
I only wish I could "short" these types of stupid startup investments.
Longbets.org would let you make an idealistic point. (They don't let you keep your winnings; they have to go to a charity.)
Smarkets.com plays with real money, but seems targeted towards sports and current events.
The reason for this is liquidity. You've got to have enough people interested in an event to get effective price discovery, and if you're making money on the commission then it's entirely about maximising traded contract volume.
See also: cuil.com