Which retail innovation, invented in 1937, first allowed customers to use shopping carts and freely select their own products without clerk assistance, revolutionizing the self-service shopping model?

The history of retail has been shaped by groundbreaking innovations that transformed how we shop. From primitive markets to digital commerce, certain inventions stand out as true game-changers. This poll tests your knowledge about a pivotal retail innovation that fundamentally altered the shopping experience and set the foundation for modern retail as we know it today.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

• The Supermarket (Piggly Wiggly's self-service model)
• The Shopping Cart (Sylvan Goldman's folding cart design)
• The Barcode Scanner (IBM's Universal Product Code system)
• The Cash Register (James Ritty's 'Incorruptible Cashier')

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