Which retail invention, patented in 1952 by Norman Joseph Woodland and Bernard Silver, revolutionized checkout systems and inventory management worldwide?

The retail landscape has been transformed by numerous inventions and discoveries throughout history. From simple barcode scanners to complex AI recommendation systems, these innovations have revolutionized how customers shop and how retailers operate. This poll tests your knowledge about a pivotal invention that fundamentally changed retail operations worldwide and set the stage for modern commerce as we know it today.

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• The barcode system (Universal Product Code)
• The electronic cash register (ECR)
• The self-checkout kiosk
• The magnetic stripe payment card

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