Which IoT technology innovation first allowed retailers like Walmart to achieve near real-time inventory tracking, dramatically reducing stockouts and revolutionizing supply chain management?

The Internet of Things (IoT) has transformed modern retail operations in ways unimaginable just a decade ago. From inventory management to customer experience, smart connected devices are reshaping how retailers operate and compete. This trivia poll tests your knowledge about a groundbreaking IoT innovation that dramatically changed how major retailers track inventory and manage their supply chains. Can you identify which technology revolutionized retail logistics?

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RFID (Radio-Frequency Identification) tags
NFC (Near-Field Communication) sensors
Bluetooth Low Energy (BLE) beacons
Computer vision-enabled smart shelves