Which IoT innovation has most dramatically improved inventory management in scientific supply retail?

The Internet of Things (IoT) has transformed scientific retail operations, from inventory management to customer experience. Smart devices now collect massive data sets that drive research-based decision making in the scientific retail sector. This poll tests your knowledge of how IoT technology has specifically impacted scientific equipment and supply retailers. Do you know which breakthrough has most revolutionized how scientific products are tracked and maintained?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

RFID-enabled smart shelving that tracks reagent temperature, humidity, and expiration dates in real-time
Drone-based delivery systems that transport laboratory samples between research facilities
Holographic product displays that allow customers to visualize equipment specifications
AI-powered shopping carts that automatically identify and charge for scientific consumables