Which retail analytics innovation, first widely adopted around 2010, revolutionized how retailers track customer movement and engagement within physical stores?

Modern retail analytics has transformed how businesses understand customer behavior and optimize operations. From simple sales tracking to sophisticated AI-driven predictive models, retailers now leverage vast amounts of data to make strategic decisions. This trivia question explores a pivotal development in retail analytics that changed how businesses approach customer insights. Test your knowledge about this significant retail technology milestone!

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Wi-Fi triangulation and beacon technology
RFID shelf inventory systems
Facial recognition at checkout counters
Digital receipt analysis software