What technology is NOT typically incorporated into smart shelves used in scientific retail environments?

Smart shelves are transforming scientific retail environments from laboratories to science museums. These IoT-enabled display systems use advanced sensors and analytics to revolutionize how scientific products are merchandised, inventoried, and marketed. Test your knowledge about this cutting-edge retail innovation that's changing how scientific equipment and supplies are sold and displayed!

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RFID sensors for real-time inventory tracking
Weight sensors that detect when products are removed
DNA sequencing chips to identify customer preferences
Digital price displays that can update in real-time