Wikipedia and the Wikimedia foundation that supports it are unprecedented examples of demonetization through crowdsourcing. Impossible in theory, Wikipedia in practice has become — according to a study in Nature — as reliable as the Encyclopedia Britannica. It owes its success to transparency, openness, and volunteer editors worldwide who eagerly correct errors as quickly as they arise, a valuable lesson in the benefits of open digital information-sharing with users. In the process, they’ve s...