Greg heads to Target. As he walks through the door, his phon…
Greg heads to Target. As he walks through the door, his phone pings with a notification: As a valued customer, he has been given a digital coupon he can use for 10% off any purchases he makes on this trip. Strolling the store, Greg’s phone pings again. This time he’s notified that a product he’s purchased in the past, Tide detergent, is on sale in the next aisle. What technology is being employed in this scenario?
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