Which inventor revolutionized retail payment systems by creating the world's first magnetic stripe card reader in the late 1960s, leading to the modern credit card system we use today?

The world of retail payment systems has evolved dramatically over the decades, transforming how consumers interact with brands and complete transactions. From cash registers to contactless payments, each innovation has shaped retail experiences and customer expectations. Test your knowledge about a groundbreaking payment technology that changed retail forever and the visionary behind it.

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Ron Klein, who developed and patented the magnetic credit card strip reader in 1969
James Goodfellow, who invented the ATM PIN system in 1966
John Shepherd-Barron, who created the first ATM machine in 1967
Douglas Engelbart, who invented the computer mouse and demonstrated early electronic payments in 1968