Much of it had to do with adaptation of advertising to television in the 1960s. That's where "the youth culture" started. "The Hidden Persuaders" - Vance Packa

Much of it had to do with adaptation of advertising to television in the 1960s. That's where "the youth culture" started. "The Hidden Persuaders" - Vance Packard ISBN-13: 978-0978843106 is a good start. He's a bit crazy but it's a good read.