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ELLEN ULLMAN worked as a computer programmer for over twenty years, entering the field when few women were part of the computing culture. She is the author of the cult classic memoir "Close to the Machine "and the fortchcoming novel "The Bug." She currently writes for "Harper's, Wired, " and "Salon," and has been a regular guest commentator on NPR. She lives in San Francisco, California. "From the Hardcover edition."