Therein lay the secret to all fads: the herd instinct. People wanted to look like everybody else. That was why they bought white bucks and pedal pushers and bikinis. But someone had to be the first one to wear platform shoes, to bob their hair, and that took the opposite of herd instinct.

Chapter 2 Bubblings, Section 3 (p. 63) - Bellwether (1996)