What do Amazon's product reviews, eBay's feedback score system, Slashdot's Karma System, and Xbox Live's Achievements have in common? They're all examples of su

Experts discuss the benefits and risks of online reputation systems. In making decisions, we often seek advice. Online, we check Amazon recommendations, eBay ve

What happens when someone puts your name into Google? Or Facebook? You need to know how to look after what people see when they look for you online. This essent

How insights from the social sciences, including social psychology and economics, can improve the design of online communities. Online communities are among the

Gossip and reputation are core processes in societies and have substantial consequences for individuals, groups, communities, organizations, and markets.. Acade