Software accuracy

At a micro-conference held at Yahoo's headquarters in Sunnyvale, Calif., representatives from Google, Yahoo, Microsoft and Hewlett-Packard described their experiments with prediction markets.

HP, for its part, found that its prediction market software was more accurate in forecasting operating profits for the HP Service division than its traditional method.

December 14, 2006 12:52 PM PST

Photo by: Declan McCullagh/CNET News.com