Which retail innovation, first introduced in 1916, revolutionized customer experience by allowing shoppers to select their own merchandise without clerk assistance?

The way we shop has evolved dramatically over the past century. One particular innovation revolutionized retail by fundamentally changing how customers interact with products and make purchases. This invention eliminated the need for clerk assistance for every purchase and transformed the customer experience forever, setting the foundation for modern retail as we know it today. Test your knowledge about this pivotal retail transformation!

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• The self-service grocery store (Piggly Wiggly)
• The department store credit card (Sears & Roebuck)
• The shopping cart (invented by Sylvan Goldman)
• The barcode scanner (invented by IBM)

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