Which invention, first patented in 1952 but not commercially viable until 1974, revolutionized retail supply chain management by allowing automated tracking of products?

In the world of retail and product development, certain inventions have completely revolutionized how we shop and how businesses operate. This trivia question focuses on a pivotal invention that transformed retail operations, inventory management, and product tracking across the globe. Test your knowledge about this game-changing retail technology that bridged physical products with digital systems!

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Barcode/UPC (Universal Product Code)
RFID (Radio-Frequency Identification) tags
Electronic Cash Register (ECR)
Point of Sale (POS) touchscreen system