Philips has announced that it is piloting a system in which LED store lamps track shoppers. Shoppers would first have to download the store’s app. Once they do, every lamp in the store is able to communicate with the shoppers’ phones using pulses of light the human eye can’t detect. The lamps know whether someone is in the produce section or the peanut butter aisle… and in response, the app can call up killer deals on bananas or jelly, depending.
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