An Unforgettable Journey into the Dark Heart of the Information AgeIn Escape Velocity Mark Dery takes is on an electrifying tour of the high-tech subcultures that both celebrate and critique our wired world: would-be cyborgs who believe the body is obsolete and dream of downloading their minds into computers, cyber-hippies who boost their brainpower with smart drugs and mind machines, on-line swingers seeking cybersex on electronic bulletin boards, techno-primitives who sport 'biomechanical' tat