Which retail innovation, invented by Norman Joseph Woodland and Bernard Silver in 1951, was first used commercially in a Kroger store in 1967 and is now considered one of retail's most transformative technologies?

The retail landscape has been transformed by numerous technological innovations throughout history. Some inventions have completely revolutionized how consumers shop and how retailers operate their businesses. This trivia question focuses on a pivotal technological development that changed the face of retail forever. Test your knowledge about this significant invention that bridged the gap between physical products and digital information systems.

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• The barcode/UPC scanning system
• The electronic cash register (ECR)
• The credit card magnetic stripe
• The automatic door sensor

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