Which retail technology invention, patented in 1952 but first commercially used in 1974, revolutionized inventory management and is considered the predecessor to modern retail data analytics?

The retail landscape has been transformed by numerous technological innovations throughout history. From the first cash register to modern AI-powered shopping assistants, these inventions have revolutionized how we browse, select, and purchase products. This trivia question focuses on a breakthrough technology that fundamentally changed retail data analytics and inventory management. Test your knowledge about the inventions that shaped modern shopping experiences!

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Universal Product Code (UPC) barcode
Electronic cash register (ECR)
RFID (Radio-Frequency Identification) tags
Electronic Article Surveillance (EAS) anti-theft system