Which technology, first patented in 1973 but not widely adopted in retail until the 1980s, revolutionized customer tracking and is considered the foundation of modern customer lifetime value analytics?

In the world of retail and e-commerce, technological innovations have transformed how businesses track customer value and behavior. One particular breakthrough technology has revolutionized how retailers understand their customers' lifetime value by enabling unprecedented data collection and personalization. Test your knowledge about this game-changing retail technology that bridges physical and digital shopping experiences.

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Universal Product Code (UPC) barcode scanning
Radio-frequency identification (RFID) tags
Electronic point-of-sale (EPOS) terminals
Magnetic stripe card readers