Which retail innovation, first widely adopted in the 1970s, revolutionized inventory tracking and created the foundation for modern retail analytics?

Before the digital revolution transformed retail, one innovation fundamentally changed how businesses tracked and understood consumer behavior. This technological advancement from the 1970s laid the groundwork for all modern retail analytics and inventory management systems. Test your knowledge of this pivotal moment in retail history that connects the analog past to our data-driven present.

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Universal Product Code (UPC) barcode system
Electronic Data Interchange (EDI) networks
Point-of-Sale (POS) receipt printing
Magnetic stripe payment cards