Which retail technology invention, first commercially successful in the 1970s, revolutionized inventory management and later became essential for retail data analytics?

The retail industry has been transformed by technological innovations that revolutionized how businesses understand consumer behavior. One particular breakthrough changed the game for inventory management and customer insights. Test your knowledge about this pivotal development that bridged the physical and digital retail worlds, enabling unprecedented data collection and analysis capabilities.

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Universal Product Code (UPC) barcode system
Electronic Data Interchange (EDI)
Radio-frequency identification (RFID) tags
Point of Sale (POS) touchscreen terminals