Which retail innovation, first commercially used in an Ohio supermarket in 1974, fundamentally transformed inventory tracking and checkout efficiency?

Test your knowledge about revolutionary retail innovations that changed how we shop! In the ever-evolving world of retail, certain technological breakthroughs have fundamentally transformed the consumer experience and industry operations. This innovation from the mid-1970s revolutionized inventory management and checkout efficiency worldwide, becoming ubiquitous in retail environments and paving the way for modern supply chain technologies.

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Universal Product Code (UPC) barcode scanning
Electronic point-of-sale (EPOS) cash registers
Self-checkout kiosks
RFID inventory tracking tags