The sixth and final episode of the third season of Version History, featuring the Western Electric 500, explores the history of AT&T and its dominance in the telephone industry. The 500, which represented AT&Ts at the peak of its power, was introduced as The Phone, a device that dominated the market for decades. The episode also discusses the role of the phone in television. If you are a Verge subscriber, you can get access to Version History with no ads.