Sherry Turkle is professor of the sociology of science at the Massachusetts Institute of Technology and a licensed clinical psychologist. She is the author Life on the Screen: Identity
in the Age of the Internet.
Joseph Turow is Robert Lewis Shayon Professor of Communication at the University of Pennsylvania's Annenberg School For Communication. One of his recent books is Breaking Up America: Advertisers and the New Media World.
Alex Ulam is a journalist who focuses on architecture, landscape architecture, urban planning issues and housing. His work has appeared in publications such as The New York Times, Discover, Macleans,The National Post of Canada, and Archaeology.