Which retail analytics innovation, first widely implemented in the 1970s, enabled stores to automatically track inventory and gather detailed sales data at the point of purchase?

In today's competitive retail landscape, analytics has transformed how businesses make decisions and understand customer behavior. This trivia question tests your knowledge about a significant retail analytics innovation that revolutionized how companies track consumer purchasing patterns. The technology in question fundamentally changed inventory management, pricing strategies, and marketing approaches across the retail industry.

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Universal Product Code (UPC) barcode scanning
Radio Frequency Identification (RFID) tagging
Electronic Data Interchange (EDI) systems
Customer Relationship Management (CRM) software