In the late 1960s and early 70s, the forebears of today's computer hackers were attacking the US phone system. Some of these "phone phreaks" now talk to Ken Hollings about what went on, and how their experiments contributed directly to the development of home computing. Featuring the voices of former phone phreaks Captain Crunch, Joy Bubbles, MarkBernay, and Apple computers co-founder, Steve Wozniak. Music and production by Simon James