Wednesday, May 22, 2019
Nectar’s sonar bottle caps could save $50B in stolen booze – TechCrunch
Bars lose 20% of their alcohol to overpours and “free” drinks for friends. That amounts to $50 billion per year in booze that mysteriously disappears, making life tough for every pub and restaurant. Nectar wants to solve that mystery with its ultrasound depth-sensing bottle caps that measure how much liquid is left in a bottle by measuring how long it takes a sonar pulse to bounce back. And now 
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