Which IoT technology has most significantly improved inventory management for sensitive scientific reagents in retail settings?

The Internet of Things (IoT) has transformed scientific retail environments, creating smarter, more efficient shopping experiences through data collection and analysis. Advanced sensors, real-time inventory tracking, and automated systems have revolutionized how scientific equipment and supplies are sold. Test your knowledge about the cutting-edge IoT technologies specifically designed for science-focused retail environments!

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RFID-enabled temperature monitoring systems that track storage conditions in real-time
Facial recognition cameras that identify potential customers based on previous purchases
Automated checkout kiosks with voice recognition for hands-free purchasing
AR displays that show 3D models of molecular structures when scanning product barcodes