James E. Katz is professor of communication at Rutgers, The State University of New Jersey and director of the Rutgers University Center for Mobile Communication Studies, the first academic center dedicated to the study of social aspects of mobile communication. His award-winning books include Perpetual Contact: Mobile Communication, Private Talk and Public Performance (co-edited with Mark Aakhus), Connections: Social and Cultural Studies of the Telephone in American Life, published by Transaction, and Social Consequences of Internet Use: Access, Involvement, Expression (co-authored with Ronald E. Rice).