Which retail payment innovation was first introduced by IBM in 1973, revolutionizing checkout speed and inventory management?

The retail payment landscape has transformed dramatically over decades, reshaping how consumers interact with businesses. From traditional cash registers to sophisticated digital wallets, payment technologies have evolved to meet changing consumer expectations, security requirements, and operational efficiencies. This poll tests your knowledge about a pivotal innovation that changed retail payment processing and set the foundation for modern transaction systems.

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The Universal Product Code (UPC) barcode scanning system
The magnetic stripe credit card reader
The PIN pad for debit transactions
The electronic signature capture pad