Wisdom in the aggregate

Very interesting comment here on Surowiecki's Wisdom of Crowds. Aggregation is the crucial element in the book's argument, and it does seem as though much of its richness remains unexplored.

Related: Benoit Mandelbrot suggests that the market, to better its self-understanding, might do more than listen to self-interested economic pundits. It could, he says, undertake research that is structured more like, hooha, a market.