 The TechMart store subsequently relocated to the headquarters of Apple Computer, Inc. at One Infinite Loop in Cupertino.The store not only sold books and periodicals but displayed galley pre-prints for skimming and editing, held author and guest engineer speaking events such as Gene Amdahl or Donald Knuth.In 1993, the only East Coast location was opened in the Tysons Corner area of suburban Washington, DC to make a total of four bricks-and-mortar locations.