Which payment innovation was first introduced by IBM in 1973 and revolutionized retail by allowing electronic payment processing through a magnetic strip?

The retail payment landscape has undergone dramatic transformation in recent decades. From cash registers to contactless payments, the way consumers pay for goods has evolved with technology and changing consumer preferences. This trivia question tests your knowledge about a significant development in retail payment systems that changed how businesses process transactions and manage customer data.

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Universal Product Code (UPC) barcode system
Point of Sale (POS) terminal
Electronic Funds Transfer at Point of Sale (EFTPOS)
Chip-and-PIN card technology