Which retail innovation, first used commercially in 1974 at a Marsh Supermarket, fundamentally transformed inventory tracking and is now scanned over 5 billion times daily worldwide?

Test your knowledge about groundbreaking retail innovations that transformed how businesses operate and engage with customers. This trivia focuses on a major retail technology milestone that revolutionized inventory management and checkout processes worldwide. Do you know which innovation fundamentally changed retail operations in the 1970s and remains crucial to this day?

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Universal Product Code (UPC) barcode system
Electronic cash register (ECR) terminals
Radio-frequency identification (RFID) tags
Point-of-sale (POS) credit card readers