What key scientific advancement made modern smart shelf technology in retail stores possible?

The intersection of science and retail has created fascinating technological innovations that are changing how products are displayed, monitored, and sold. Smart shelves represent one of the most promising applications of Retail Internet of Things (IoT). These intelligent display systems are transforming inventory management and customer experience, but how much do you know about this cutting-edge technology?

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Radio Frequency Identification (RFID) microchips that can be passively powered
Quantum computing algorithms that predict customer movement patterns
Neuromorphic sensors that can detect customer emotional responses to products
Hyperspectral imaging that can determine product freshness from a distance