Which IoT innovation has had the most significant impact on scientific supply retail by reducing waste of expensive reagents and chemicals?

The scientific research industry has been transformed by Internet of Things (IoT) technology in recent years. Smart laboratory equipment can now monitor experiments, track inventory, and ensure optimal conditions for sensitive materials. This poll tests your knowledge about how IoT has specifically revolutionized the retail side of scientific equipment and supplies - an often overlooked but crucial aspect of modern research capabilities.

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Smart inventory management systems that automatically reorder when supplies run low
RFID-tagged containers that track real-time usage patterns and expiration dates
Virtual reality systems for previewing equipment before purchase
Blockchain verification for authenticating premium laboratory equipment