http://www.geocities.com/arno_3/intro/
As Leary put it: "[A]t that time, computers were mainframes that cost millions of dollars and were owned by Bell Telephone company, IBM, CIA, Department of Motor Vehicles - no friends of mine! So I had this prejudice that computers were things that stapled you and punched you and there were these monks, the few experts, who controlled it"(quoted in Rucker 1992: 84).
In the early 80s, however, when thanks to smaller size and cheaper prize computers became accessible to millions of people, Leary changed his attitude towards computers and realized that psychedelic drugs and computers actually have very much in common. He discovered that psychedelic drugs and personal computers "are simply two ways in which individuals have learned to take the power back from the state"(ibid.). Leary argues that both psychedelics and computers can help us to liberate ourselves from authority and "create our own realities." In the course of his long career as psychologist and counterculture philosopher Leary wrote more than thirty books (several of them more than 400 pages long) in which he offers us very elaborate theories - using concepts from the fields of psychology, neurobiology, ethology, quantum physics, cybernetics, and chaos theory - that explain how we can use psychedelic drugs and computers to escape the "narrow reality tunnels" that authorities force us to live in and create our own individual realities whose limits are determined only by the limits of our imagination.
What are those "narrow reality tunnels" Leary is talking about? According to Leary, we have been