Back in 2013 Jamie Siminoff pitched his business Doorbot to the Sharks on Shark Tank and was rejected. But like many other rejected pitches on Shark Tank it got exposure. t also got the attention from another billionaire, Sir Richard Branson. Branson invested in Doorbot which became Ring, and earlier in 2018 Amazon bought Ring for 1.2 Billion dollars. Now Siminoff is back in the tank, but as a shark!
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