In January 1967, the thousands of youth already in San Francisco descended on Golden Gate Park for a Human Be-In. The media flocked to the event, putting hippies in the national spotlight for the first time. And once the press offered a window into the world of Haight Ashbury, even more young people flooded in. "The city of San Francisco has been warned of a hippie invasion come summer in numbers almost too staggering to comprehend," declared one TV news reporter.