Counterculture of the 1960s of Timothy Leary to "Turn on, tune in, drop out", hoped to change society by dropping out of it. Looking back on his own life (as a Harvard professor) prior to 1960, Leary interpreted it to have been that of "an anonymous institutional employee who drove to work each morning in a long line of commuter cars and drove home each night and drank martinis ... like several million middle-class, liberal, intellectual robots." As members of the hippie movement grew older and moderated their lives and their views, and especially after US involvement in the Vietnam War ended in the
Turn on, tune in, drop out in one of the lines. Gil Scott-Heron criticised the concept in his 1970 poem and song "The Revolution Will Not Be Televised", with the line "You will not be able to plug in, turn on and ". The lyrics, "Turn on, tune in, drop out" are included verbatim in several songs: The "" episode title "Turn On, Tune In, Drop Dead" also parodies the quote, with the episode focusing on how two victims who are supposedly dead get up and walk away. A variation of the quote ("Tune in, Turn on, Talknet") was used in the 1980s and early 1990s