Which retail payment innovation was first introduced by IBM in 1973 and fundamentally transformed point-of-sale transactions through computerized price lookup and inventory tracking?

The retail payment landscape has transformed dramatically over the decades, with technological innovations constantly reshaping how consumers complete transactions. From the earliest cash registers to today's contactless payments and cryptocurrency options, each breakthrough has impacted business strategies, consumer behavior, and economic patterns. This trivia challenges your knowledge about a pivotal moment in retail payment history that fundamentally changed shopping experiences worldwide.

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Universal Product Code (UPC) barcode scanning
Electronic signature capture pads
PIN-based debit card processing
RFID-enabled contactless payment terminals