Which technology innovation is considered the first modern electronic Point of Sale (POS) system, introduced in 1974 by IBM to revolutionize retail checkout?

Before digital registers and cloud-based inventory systems, retail transactions were handled much differently. The evolution of Point of Sale (POS) systems revolutionized how businesses tracked sales, managed inventory, and served customers. This poll tests your knowledge about a pivotal moment in retail technology history that fundamentally changed how stores operate and gather customer data.

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IBM 3653 Store System, which used magnetic stripe cards for transactions
IBM 3660 Supermarket System, which used barcode scanning for the first time in a commercial POS
IBM System/32, which introduced touchscreen interfaces for cashiers
IBM 5100 Portable Computer, which enabled mobile checkout capabilities