Which advanced technology do 'smart shelves' in modern grocery stores primarily use to automatically detect low stock levels and trigger real-time inventory replenishment alerts?

Retail inventory management has transformed dramatically in the food industry. Modern grocery stores and restaurants are increasingly adopting technology to track ingredients, monitor freshness, and predict demand. This poll tests your knowledge about cutting-edge inventory management systems specifically designed for food retailers and how they're changing the way we shop for and consume food products.

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RFID (Radio-Frequency Identification) sensors
Bluetooth beacons
Facial recognition cameras
Acoustic monitoring systems