Crowdsourcing is a powerful innovation tool -- but would it work for a huge problem like the Gulf of Mexico oil spill? It might be tricky, writes Hutch Carpenter, since there isn't much public goodwill for BP to tap into. Still, it's worth a shot, argues Yann Cramer. "The time for in-house expert-only solution has come and gone. It is now time for something different," Cramer writes.

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