Which retail payment innovation, first demonstrated in 1973 at a Marsh Supermarket in Troy, Ohio, revolutionized checkout systems worldwide?

The history of retail payment systems reveals how commerce has evolved over centuries. From bartering goods to tapping smartphones, payment methods have transformed how we shop and how retailers operate. This poll explores a pivotal moment in payment technology that fundamentally changed retail operations worldwide and set the stage for today's digital payment landscape. Test your knowledge about this revolutionary payment innovation!

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Universal Product Code (UPC) barcode scanning
Credit card magnetic stripe reader
Electronic signature pad
Self-service checkout kiosk