Katie Hafner has been writing about technology since 1983. She was the news editor of Data Communications Magazine, a reporter for the San Diego Union, a technology correspondent for Business Week and a contributing editor at Newsweek, covering technology and computers. In addition, she has contributed articles to journals such as Wired, The New Republic, Esquire and Working Woman. Hafner is co-author of Cyberpunk: Outlaws and Hackers on the Computer Frontier (1991, with John Markoff), and Where Wizards Stay Up Late: The Origins of the Internet (1996, with husband Matthew Lyon). In 1995, she wrote The House at the Bridge: A Story of Modern Germany, which grew out of an interest she developed in college while studying with novelist and playwright Rheinhard Lettau.