Which retail IoT innovation was first implemented by Walmart in 2005, requiring all its top suppliers to adopt this technology for improved inventory tracking?

The Internet of Things (IoT) is transforming retail operations and customer experiences. Smart shelves, beacons, RFID tags, and other connected devices are creating new possibilities for inventory management, personalization, and seamless shopping experiences. This poll tests your knowledge about a pioneering IoT retail innovation that changed how stores track and manage their inventory, setting the stage for today's connected retail environments.

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RFID (Radio-Frequency Identification) tags
Bluetooth beacons
Smart shelves with weight sensors
Computer vision inventory tracking