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 February 1967 salon known as the "Houseboat Summit") announced his agreement with a new ordering of the phrase as he said, "I would agree to change the slogan to 'Drop out. Turn on. Drop in.'" During his last decade, Leary proclaimed that the "PC is the LSD of the 1990s"—"turn on, boot up, jack in" reworked the existing phrase to suggest joining the cyberdelic counterculture. The phrase was referenced in several songs of the time. Psychedelic rock band Strawberry Alarm Clock parodies the quote in their 1967 song "Incense and Peppermints", singing "Turn on, tune in, turn your eyes around"