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Notes on Smart Mobs by Howard Rheingold

• "Resnick et al. concluded that reputation systems require three properties in order to function: First, the identities of buyers and sellers must be long-lived, whether or not they are pseudonymous, in order to create an expectation of future interaction. Second, feedback about interactions and translations must be available for future inspection by others. Third, people must pay enough attention to reputation ratings to base their decisions on them. In regard to the third requirement, part of the effectiveness of eBay's reputation system might derive from buyers' and sellers' belief that it works. Reputation, like surveillance, may induce people to police themselves." - p. 126