Which of the following is NOT a current capability of smart shelf technology in grocery stores?

Modern grocery stores are increasingly adopting advanced technologies to enhance customer experience and optimize inventory management. One of the most innovative developments in recent years has been the implementation of smart shelf technology. These digital shelves can do much more than just display prices - they're transforming how retailers manage products and interact with shoppers. Test your knowledge about this cutting-edge retail technology advancement that's changing the food shopping experience!

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Real-time inventory tracking that automatically alerts staff when products need restocking
Dynamic pricing that changes based on product expiration dates or time of day
Autonomous food quality assessment that detects spoilage through embedded sensors
Digital displays that show product information, nutritional facts, and personalized promotions