To state the obvious: Modern, smartphone-toting humans spend most of their time indoors. But indoor spaces often block cell signals and also make it nearly impossible to locate devices via GPS. Beacons are a solution.
Beacons are a low-cost piece of hardware — small enough to attach to a wall or countertop— that utilize battery-friendly low-energy Bluetooth connections to transmit messages or prompts directly to a smartphone or tablet.
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