Which retail IoT innovation, first widely implemented in 2013, uses small wireless transmitters to send targeted information to smartphones and track customer movement patterns in stores?

The Internet of Things (IoT) has transformed modern retail operations through innovative technologies that enhance shopping experiences and optimize store management. This breakthrough technology revolutionized inventory tracking, customer insights, and personalization. Test your knowledge about a significant IoT retail innovation that changed how retailers monitor product availability and customer behavior in physical stores.

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Beacon technology
RFID shelf sensors
Smart shopping carts
NFC payment nodes