Which groundbreaking retail analytics technology was first patented in 1952 but didn't see widespread implementation until the early 1970s, eventually revolutionizing how retailers track inventory and understand customer purchasing patterns?

The retail landscape has been transformed by numerous technological innovations throughout history. Some inventions dramatically altered how consumers shop and how retailers understand their customers. This trivia question focuses on a pivotal breakthrough in retail analytics that revolutionized how businesses understand consumer behavior and make data-driven decisions. Test your knowledge about the technological developments that shaped modern retail strategy!

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Universal Product Code (UPC) barcode scanning systems
Radio-frequency identification (RFID) tracking chips
Electronic point-of-sale (EPOS) terminals
Automated sentiment analysis software