Which retail invention, patented in 1952 but not widely implemented until the 1970s, revolutionized retail data analytics by enabling automated checkout and inventory tracking?

In the world of retail innovation, certain technologies have dramatically transformed how consumers shop and how businesses understand their customers. This trivia question focuses on a groundbreaking invention that revolutionized product tracking and retail data analytics, fundamentally changing inventory management and the shopping experience worldwide. Test your knowledge of this transformative retail technology!

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UPC Barcode
Electronic Price Tag
RFID Chip
Digital Cash Register