Sherry Turkle is Abby Rockefeller Mauz? Professor of the Social Studies of Science and Technology at MIT and Founder and Director of the MIT Initiative on Technology and Self. A psychoanalytically trained sociologist and psychologist, she is the author of "The Second Self: Computers and the Human Spirit" (Twentieth Anniversary Edition, MIT Press), "Life on the Screen: Identity in the Age of the Internet, " and "Psychoanalytic Politics: Jacques Lacan and Freud's French Revolution." She is the editor of "Evocative Objects: Things We Think With, Falling for Science: Objects in Mind, " and "The Inner History of Devices, " all three published by the MIT Press.