Eric Brill's antique radio collection is taking over his living room. Twenty of the wood and vacuum tube, AM-only devices, some dating back to the 1930s, are crowded into Brill's house. It's an impressive assortment for someone who had no interest in radios six months ago. Brill discovered them on eBay, where he's the vice president of research and head of eBay's research labs. Millions of other items compete for his attention on the site, including bestsellers and daily deals. What caught Brill was a particularly beautiful radio. He just stumbled upon it and became an avid collector.
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