Which retail innovation, first implemented in 1974, used a pattern of parallel lines to revolutionize checkout efficiency and inventory management?

The retail landscape has been transformed by numerous technological innovations throughout history. Some inventions revolutionized how we shop, while others changed how retailers understand consumer behavior. This trivia challenge tests your knowledge about a groundbreaking retail innovation that fundamentally changed the shopping experience worldwide. Can you identify which technology truly transformed the checkout process and inventory management?

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Universal Product Code (UPC) barcode scanning system
Electronic Article Surveillance (EAS) anti-theft tags
Point of Sale (POS) touchscreen terminals
Radio Frequency Identification (RFID) tracking chips