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A startup founder who built a mock set in his backyard to practice his 'Shark Tank' pitch ultimately turned down a Shark's offer — and Amazon later acquired his company for $1 billion
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Amazon to acquire Ring video doorbell maker, cracking open the door in home security market – GeekWire
With sale to Amazon, doorbell start-up Ring goes from 'Shark Tank' reject to L.A. tech scene's latest success - Los Angeles Times
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