Which invention, first implemented in a grocery store in 1974, revolutionized retail by automating checkout and inventory management?

The retail industry has been transformed by countless inventions throughout history. Some innovations fundamentally changed how customers shop and businesses operate. This trivia question explores a pivotal invention that revolutionized retail operations in the 20th century, setting the foundation for modern commerce. Test your knowledge of retail history and the technological breakthroughs that shaped the shopping experience we know today!

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• The Universal Product Code (UPC) barcode scanner
• The electronic cash register (ECR)
• The conveyor belt checkout system
• The electronic anti-theft security tag

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