Which IoT technology has most significantly reduced food waste in grocery stores by automatically monitoring product freshness and alerting staff when items need to be removed or discounted?

The Internet of Things (IoT) is transforming how food retailers manage inventory, track freshness, and enhance customer experience. Smart technology is now embedded throughout the grocery ecosystem, from temperature-controlled supply chains to interactive shopping experiences. Test your knowledge about one of the most impactful IoT innovations in modern food retail that's changing how perishable products are managed and sold.

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Smart shelves with weight sensors and RFID technology that track inventory levels and product freshness in real-time
Automated checkout systems that scan products using computer vision to identify expired items
Customer-facing mobile apps that allow shoppers to report spoiled products they find in stores
Digital price tags that automatically discount products approaching expiration dates