Which retail technology invention, first used commercially in 1974, used a pattern of parallel lines to revolutionize inventory management and is considered one of the most important retail innovations of the 20th century?

The retail landscape has been transformed by numerous innovations throughout history. Some inventions have fundamentally changed how consumers interact with products and how merchants conduct business. This poll explores a pivotal invention that revolutionized retail operations worldwide and continues to impact almost every shopping experience today. Test your knowledge about this game-changing retail technology that bridged the gap between product identification and data management.

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Universal Product Code (UPC) Barcode
Electronic Price Tag
Self-Checkout Terminal
Radio-Frequency Identification (RFID) Tag