Transistors are the basis of much modern electronic technology, including the most popular communications device in history: the transistor radio. Billions of these compact, portable radios were manufactured during the 1960s and 1970s. Battery-operated, they came in handy during electrical outages, and their pocket size sparked a change in popular music listening habits, allowing people to listen to music anywhere they went. When it was released in 1954, how much did the transistor radio cost? Discuss (http://forum.thefreedictionary.com/postst68800_Texas-Instruments-Announces-First-Commercial-Transistor-Radio--1954-.aspx)