An anonymous reader writes: Fantasy stock market lets members predict hardware and software sales, and some are performing on par with industry analysts. CNET writes:
A prediction market is a sort of fantasy stock market that is increasingly being used to predict everything from internal sales numbers at Fortune 500 companies to election performances by politicians. They are a manifestation of New Yorker staff writer James Surowiecki's concept of "the wisdom of crowds," in which large numbers of people tend to be better able to assess the outcome of something than individuals.
functions as a stock market, with members trading on the future sales of everything from hardware like the Xbox and PlayStation 3 to software like God of War and Super Paper Mario.