Which scientific innovation first allowed retailers to systematically collect and analyze customer purchase patterns without manual data entry?

The intersection of science and retail has led to revolutionary innovations that transform how consumers shop and how retailers understand their customers. From AI-powered analytics to augmented reality fitting rooms, scientific advances continue to disrupt traditional retail models. Test your knowledge about a significant scientific innovation that changed how retailers collect and leverage customer data.

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Universal Product Code (UPC) barcode scanning technology (1974)
Electronic cash registers with digital receipts (1982)
Customer loyalty punch cards with unique identifiers (1968)
IBM's first retail data management system (1979)