Which company first implemented the now-ubiquitous retail barcode scanning system, debuting it in 1974 with the scanning of a 10-pack of Wrigley's Juicy Fruit gum?

The retail landscape has been transformed by technological innovations that reshape how consumers shop and how businesses operate. Behind many of these revolutionary changes are pioneering companies that took risks on untested concepts. This trivia question tests your knowledge about a significant retail innovation that changed the industry forever.

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Marsh Supermarket
Walmart
Kroger
Safeway