Which technology, first widely adopted by retailers around 2005, revolutionized in-store customer behavior analytics by allowing detailed tracking of shopper movements without requiring direct customer participation?

In the world of retail innovation, certain technological breakthroughs have fundamentally transformed how businesses understand customer behavior. One such revolutionary development in the early 2000s changed the landscape of retail customer analytics and became the foundation for today's sophisticated shopping experience analytics. Test your knowledge about this pivotal advancement that bridged the gap between physical retail and digital data collection.

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RFID-enabled shopping carts
Computer vision and video analytics systems
Bluetooth-based proximity sensors
Wi-Fi triangulation tracking