A collection of (relatively) recent yellow bricks on the road to widespread use of prediction markets:

Plus a Murphy’s Law Alert:

Mr. Murphy may be hard at work orchestrating one of his signature ironies. Picture this: Prediction market proponents (including me) aren’t careful and get what they wish for: The CFTC takes prediction markets under its regulatory purview. Then, efforts to legalize Internet gambling in the US succeed, opening up an enormous and fabulously lucrative business that the “socially good” prediction market operators are legislated out of, mired instead in a separate regulatory goop of their own making.