Which retail payment innovation was first introduced by IBM in 1973, fundamentally changing how stores processed transactions and tracked inventory?

The way we pay for products has transformed dramatically over the decades. From cash registers to contactless payments, retail payment systems have revolutionized commerce and shopping experiences worldwide. This trivia question explores a pivotal moment in payment technology history that changed how businesses process transactions and gather customer data. Test your knowledge about the evolution of retail payment innovations!

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Universal Product Code (UPC) barcode scanning system
Electronic Funds Transfer at Point of Sale (EFTPOS)
Magnetic stripe credit card readers
Near Field Communication (NFC) payment technology