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.