The forecasting ability of a tool should not be judged against a virtual fool-proof prophet, as such a tool simply cannot exist. Posted on March 3, 2009 by admin “-You’d better compare it with other existing tools or widely-used mechanisms, finally leveraging on the supremacy of one over the others.”- Related PostsDont ask the experts. Ask the prediction markets. They know better.Prediction Markets = marketplaces for information trading… and for separating the wheat from the chaff.My open challenge to AskMarkets co-founder George Tziralis