In a Web 2.0 Expo exclusive, Bill Tancer, general manager of global research for Hitwise, will provide insight into the current "State of the Web" for popular and growing Web 2.0 sites, as well as appropriate methods for measuring Web 2.0 site growth. Using the Hitwise sample of over ten million U.S. internet users, Tancer will also reveal results of a recent research study on demographic and psychographic differences between "traditional" and Web 2.0 internet users.