Television was introduced to Americans in 1939 and began to gain a foothold after the Second World War. In the 1950s, the sale of TV sets and the boom in programming made TV America’s favorite source of entertainment. In 1950, just under 20 percent of American homes contained a TV set. Ten years later, nearly 90 percent of homes contained a TV—and some even had color TVs. The number of TV stations, channels, and programs all grew to meet this surging demand. The 1950s truly were the golden age of television. To attract buyers, manufacturers and advertising agencies created many interesting ads that tried to convince people to buy a TV set. Some of these cool TV ads are collected in this article. Early electronic television sets were large and bulky, with analog circuits made of vacuum tubes. As an example, the RCA CT-100 color TV set used 36 vacuum tubes. Following the invention of the first working transistor at Bell Labs, Sony founder Masaru Ibuka predicted in 1952 that the transit