Which company introduced the world's first widely adopted magnetic stripe credit card system in the 1960s that standardized electronic payments?

The way we pay for products has evolved dramatically over the decades. From cash to credit cards to contactless payments, retail payment systems have transformed how businesses operate and how consumers shop. This trivia question explores a pivotal moment in the history of retail payment technology that fundamentally changed commerce worldwide. Test your knowledge about this revolutionary shift in how transactions are processed!

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American Express with their 'AmEx Green Card'
IBM with their '3610' banking system
Bank of America with their 'BankAmericard' (later Visa)
Diners Club with their 'Charge-It' system