What became of radio after its Golden Age ended about 1960? Not long ago Arbitron found that almost 93 percent of Americans age 12 and older are regular radio listeners, a higher percentage than those turning to television, magazines, newspapers, or the Internet. But the sounds they hear now barely resemble those of radio's heyday when it had little competition as a mass entertainment and information source. Much has transpired in the past fifty-plus years: a proliferation of disc jockeys, narrowcasting, the FM band, satellites, automation, talk, ethnicity, media empires, Internet streaming and gadgets galore& Deregulation, payola, HD radio, pirate radio, the fall of transcontinental networks, the rise of local stations, conglomerate ownership, and radio's future landscape are examined in detail. Radio has lost a bit of influence yet it continues to inspire stunning innovations.