Which retail innovation, first introduced in 1916, fundamentally changed shopping by allowing customers to select products themselves instead of requesting items from clerks behind counters?

The retail landscape has transformed dramatically through innovative technologies and concepts. One particular innovation revolutionized how consumers shop by enabling self-service and changing the fundamental customer experience. Test your knowledge about this pivotal moment in retail history that shaped modern shopping as we know it today!

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• The shopping cart (invented by Sylvan Goldman in 1937)
• The self-service grocery store (Piggly Wiggly, founded by Clarence Saunders)
• The barcode scanner (first used commercially in 1974)
• The cash register (patented by James Ritty in 1879)

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