Which retail payment innovation, first widely adopted in the 1980s, fundamentally transformed store operations by connecting electronic payment terminals directly to banking networks?

The evolution of retail payment systems has dramatically transformed how we shop. From cash registers to contactless payments, these innovations have shaped retail history and consumer behavior. This trivia question explores a pivotal moment in payment technology that revolutionized retail operations worldwide and set the foundation for the digital payment landscape we know today.

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Electronic Funds Transfer at Point of Sale (EFTPOS)
Universal Product Code (UPC) scanning
Store credit card systems
Electronic cash registers (ECRs)