Which retail analytics technology, invented in 2013, first enabled accurate in-store customer movement tracking without requiring shoppers to download an app?

In the world of retail, data analytics has transformed how businesses understand customer behavior. One revolutionary invention changed the landscape of in-store customer tracking and significantly improved retail analytics capabilities. Test your knowledge about this groundbreaking retail analytics technology that bridged the gap between online and offline shopping behaviors.

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Bluetooth Low Energy (BLE) beacons
RFID customer tracking tags
Facial recognition kiosks
Wi-Fi triangulation systems