Which IoT innovation first allowed scientific retailers to remotely monitor temperature-sensitive products in real-time across their entire supply chain?

The Internet of Things (IoT) has transformed scientific retail operations in unprecedented ways. Smart sensors, data analytics, and automated systems have created new possibilities for inventory management, customer experience, and product development in science-focused retail. This poll tests your knowledge about a groundbreaking IoT implementation that changed how scientific products are sold and monitored in retail environments.

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RFID product tracking (1999)
Bluetooth Low Energy (BLE) beacons (2013)
Wireless sensor networks with cloud integration (2007)
NFC payment systems with product monitoring (2011)