Which unexpected inspiration led to the invention of the modern barcode system that revolutionized point of sale technology?

The barcode revolutionized retail point of sale systems and inventory management worldwide. What began as a simple way to track products has become ubiquitous in modern commerce, processing billions of transactions daily. But do you know the fascinating story behind this groundbreaking invention? Test your knowledge about this transformative retail technology that changed how businesses operate forever.

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Morse code patterns adapted for optical scanning
Expanded Dewey Decimal System for libraries
Dots and dashes drawn in sand by inventor's daughter
Morse code dots/dashes expanded from a beach drawing in sand