Every site wants to be the aggregator, no-one wants to be aggregated. Or as Spolsky put it: "Smart companies try to commoditize their products' complements."

Every site wants to be the aggregator, no-one wants to be aggregated. Or as Spolsky put it: "Smart companies try to commoditize their products' complements." http://www.joelonsoftware.com/articles/StrategyLetterV.html http://www.joelonsoftware.com/articles/StrategyLetterV.html