Which retail data innovation from the 1970s is widely credited as the foundation of modern retail analytics and enabled the first large-scale collection of consumer purchasing patterns?

Before the digital revolution transformed retail analytics, companies relied on much simpler methods to understand consumer behavior. One groundbreaking technology fundamentally changed how retailers collected and analyzed customer data, creating the foundation for today's sophisticated retail analytics systems. Test your knowledge about this pivotal moment in retail data history that shaped modern business intelligence practices.

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Universal Product Code (UPC) barcode scanning
Electronic customer loyalty cards
IBM's first retail inventory management software
NCR's electronic cash registers with data storage