Which invention, first demonstrated in 1967 by Barclays Bank, revolutionized retail payment systems and is considered the predecessor to modern ATMs and electronic point-of-sale terminals?

The way we pay for goods has transformed dramatically over the decades. From cash to cards to contactless and digital payments, retail payment innovations have revolutionized commerce. This trivia question explores a pivotal invention that changed how consumers interact with retail establishments worldwide. Test your knowledge of payment system history and the technological breakthroughs that shaped modern shopping experiences.

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