Which groundbreaking IoT retail technology was first developed by inventor Mario Cardullo in 1973, but wasn't widely adopted in retail until the early 2000s?

The Internet of Things (IoT) has transformed modern retail operations in ways inventors and pioneers could only dream of decades ago. From inventory tracking to customer experience enhancement, IoT devices represent one of retail's most significant technological leaps forward. Test your knowledge about these revolutionary retail IoT innovations that have changed how stores operate in the digital age.

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• RFID (Radio-Frequency Identification) tags
• Electronic Shelf Labels (ESL)
• Bluetooth Low Energy beacons
• Smart shopping carts

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