McKinsey Quartely has just released a great article on prediction markets called The promise of prediction markets: A roundtable.

From the abstract:
“In this roundtable, practitioners from Best Buy and Google, the author of a book about collective intelligence, and a professor of law discuss the potential of prediction markets and the main obstacles they must surmount to become a more widely used tool for making strategic decisions.”

You can download it here – all you need to do is register.