Which retail technology innovation first made it possible to automatically capture product information at checkout without manual price entry?

Test your knowledge about breakthrough retail technologies that have transformed how consumers shop and businesses operate. Point-of-sale systems have evolved dramatically over the past few decades, creating new opportunities for businesses to gather data, improve customer experience, and streamline operations. This question focuses on a pivotal innovation that changed the retail landscape forever.

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UPC Barcode Scanning (introduced by IBM in 1974)
Electronic Cash Register (introduced by NCR in 1974)
RFID Tagging (introduced by Walmart in 1983)
Touchscreen POS Terminal (introduced by IBM in 1986)