Hula hoops and GI Joes. Cheetos and Twizzlers. JFK and MLK. Bell bottoms and go-go boots. Sonny and Cher. Lennon and McCartney. 8-tracks and 45s. Protest and free love. When boomers reminisced on Facebook, Twitter, and beyond, they suggested thousands of ideas. We culled the top 101 heartstring-pingers. This book is that collective, definitive boomer response.