Save Money. Live Better. Walmart’s latest patent is a device that eavesdrops on employees and customers alike, hearing every interaction, plastic bag rustle, and register noise — and it’s evaluating. The patent, originally filed earlier this year, was granted to the retail giant earlier this week. Described within is a system capable of using audio data captured by sound sensors to determine a variety of performance metrics for employees. It also listens for noises made by shoppers in order to determine things like queue length at checkouts and how many bags are…
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