The first issue of YIPL (Youth International Party Line) magazine was printed and distributed freely by by the YIPPIEs founder Abbie Hoffman and "Al Bell". The magazine was later renamed to TAP (Technological American Party or Technological Assisstance Program). Its mission was to disseminate information on fighting monopoly, specifically Ma Bel. Read more.
An article by Ron Rosenbaum published in the October 1971 issue of the Esquire magazine.The article has shown how Blue Boxing could be used to get control over telephone company's switching equipment. It contains interviews with Captain Crunch, Joybubbles and several other phone phreaks. The article helped popularize the phone phreaking culture. For example, after reading the Esquire article, Steve Wozniak aka "Berkeley Blue" built and sold blue boxes to help fund his other pet project - Apple I. Read more.