The Regency radio, the size of a pack of index cards, used four transistors and sold for $49.95. It was initially marketed partly as a security item, now that the Russians had the atom bomb. “In event of an enemy attack, your Regency TR-1 will become one of your most valued possessions,” the first owner’s manual declared. But it quickly became an object of consumer desire and teenage obsession. Its plastic case came, iPod-like, in four colors: black, ivory, Mandarin Red, and Cloud Gray. Within a year, 100,000 had been sold, making it one of the most popular new products in history.40
