Which of these is NOT a current capability of smart shelf technology in food retail?

The food retail industry is rapidly evolving with IoT technology transforming how consumers shop and how retailers manage inventory. Smart shelves are at the forefront of this revolution, changing the way grocery stores operate and interact with customers. This poll tests your knowledge about this emerging retail IoT technology that's reshaping the food shopping experience.

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Automatic inventory tracking that alerts staff when products need restocking
Digital price tags that can be updated remotely in real-time across store locations
Taste simulation sensors that let customers sample food flavors without opening packaging
Weight sensors that detect when items are removed and can trigger automated checkout