Which retail innovator first introduced the barcode scanning system that revolutionized inventory management and checkout processes?

The history of retail innovation has transformed how we shop and experience products. From humble beginnings to technological revolutions, retail giants have pioneered concepts that changed consumer behavior forever. This trivia question explores a groundbreaking retail innovation that fundamentally altered the shopping landscape and influenced countless businesses worldwide. Test your knowledge of retail history and the visionaries behind these transformative concepts!

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Walmart (Sam Walton), who implemented it across all stores in 1968
Kroger supermarket, which scanned the first UPC barcode on a pack of Wrigley's gum in 1974
Sears, which developed the technology internally for catalog management in 1971
Amazon, which pioneered the first digital barcode system for e-commerce in 1995