Which of the following is NOT a common feature or capability of smart shelf technology in modern grocery stores?

Modern grocery stores are increasingly adopting innovative inventory management technologies to reduce waste and improve customer experience. Smart shelves represent one of the most promising advancements in food retail technology, using various sensors and systems to revolutionize how perishable products are monitored and managed. Test your knowledge about this cutting-edge retail inventory management solution that's changing how we shop for food!

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Real-time inventory tracking that automatically alerts staff when stock is low
Temperature and humidity monitoring to ensure optimal conditions for fresh produce
Automatic price adjustments based on food expiration dates to reduce waste
Genetic modification of produce to extend shelf life when placed on smart shelves