Which retail analytics technology, first widely adopted around 2013, uses Wi-Fi signals from shoppers' smartphones to create in-store customer journey maps without requiring an app installation?

In the world of retail innovation, data analytics has transformed how businesses understand customer behavior. One breakthrough technology particularly revolutionized how retailers track in-store customer journeys and optimize product placement. This innovation combined multiple data sources to create heat maps and predictive models that many major retailers now consider essential. Test your knowledge about this game-changing retail analytics invention that bridged the gap between online and brick-and-mortar shopping experiences.

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Passive Wi-Fi Analytics (PWA)
Radio Frequency Identification (RFID) Customer Tracking
Bluetooth Low Energy (BLE) Beacons
Computer Vision Path Mapping (CVPM)