Which retail innovation, introduced in the 1970s, revolutionized customer analytics by allowing stores to track individual purchase patterns for the first time?

Retail analytics has transformed how businesses understand their customers. Before sophisticated AI and big data systems became common, one pioneering technology changed retail forever by enabling unprecedented customer purchase tracking and behavior analysis. This innovation set the foundation for modern retail analytics and personalized marketing. Test your knowledge of this revolutionary retail technology that bridged the gap between anonymous transactions and data-driven customer relationships.

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Universal Product Code (UPC) barcode scanning
Store loyalty cards with magnetic strips
Electronic point-of-sale (EPOS) systems
Customer satisfaction survey programs