Which revolutionary technology, invented in 1974, first enabled retailers to systematically collect data about consumer purchasing behavior at checkout?

The world of retail has been transformed by technology that allows companies to understand customer psychology and purchasing patterns. One innovation in particular revolutionized how retailers track and analyze consumer behavior, leading to the personalized shopping experiences we know today. Test your knowledge about this groundbreaking retail technology advancement that changed how businesses understand their customers.

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Universal Product Code (UPC) barcode scanning
Electronic point-of-sale (EPOS) credit card terminals
RFID (Radio-Frequency Identification) product tags
Digital loyalty card programs