So, Wikia, the company started by Wikipedia co-founder Jimmy Wales, is launching a search engine, called Wikisari. I like Wikia — its CEO, Gil Penchina, spoke at Supernova earlier this year. Leveraging the collective knowledge of users for what my friend and colleague Yochai Benkler calls “peer production” is a powerful technique, as Wikipedia, Digg, and other sites have shown. And I’m completely on board with the claim that there ...