theodp writes "Before the iPod, there was the Regency TR-1. Fifty years ago Monday, tiny Indianapolis-based I.D.E.A. partnered with TI and shook the world with the first pocket-sized AM radio, so impressing IBM chief Tom Watson that he provided a $49.95 (roughly $345 in current dollars!), four transistor TR-1 to each of his senior managers to kick-start the company's transition from valves."
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