Which retail analytics invention, first implemented in the early 2000s, revolutionized customer behavior tracking by enabling real-time heatmapping of in-store movement patterns?

The world of retail has been transformed by data analytics technologies over the past decades. These innovations have revolutionized how retailers understand customer behavior, manage inventory, and make strategic decisions. This trivia question explores a pivotal invention that fundamentally changed retail analytics capabilities. Test your knowledge about the technological breakthroughs that shaped modern retail intelligence!

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Computer Vision Analytics (CVA) systems using overhead cameras
Radio-Frequency Customer Trackers (RFCT) embedded in shopping carts
Mobile Location Analytics (MLA) using Wi-Fi signals
Infrared Customer Journey (ICJ) floor sensors