Clay Shirky is a writer, consultant and teacher on the social and economic effects of Internet technologies. He is an adjunct professor at New York University's graduate Interactive Telecommunications Program (ITP). His courses address, among other things, the interrelated effects of the topology of social networks and technological networks, how our networks shape culture and vice-versa. He has written and been interviewed extensively about the Internet since 1996. His columns and writings have appeared in Business 2.0, the New York Times, the Wall Street Journal, the Harvard Business Review and Wired.