Which retail innovation, first introduced in 1937, revolutionized store layouts by allowing customers to collect multiple items without assistance from clerks?

The history of retail is filled with groundbreaking innovations that transformed how we shop. One particular invention in the mid-20th century fundamentally changed store layouts, consumer behavior, and retail efficiency worldwide. This device was initially met with skepticism by traditional retailers but quickly proved its worth by dramatically increasing sales and allowing for new store formats. Test your knowledge of this pivotal retail technology that we now take for granted!

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• The shopping cart (invented by Sylvan Goldman for his Humpty Dumpty supermarket chain)
• The barcode scanner (invented by Bernard Silver and Norman Woodland)
• The self-service checkout (invented by David R. Humble)
• The electronic price tag (invented by Klass Timmermans)

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