Which retail innovation is widely considered the first true electronic point of sale system, debuting in 1974?

Before digital checkout systems transformed retail, merchants relied on various methods to record sales and track inventory. The evolution of point of sale (POS) systems represents one of the most significant technological advances in retail history. This poll explores the historical origins of modern POS technology and how it revolutionized the retail landscape, setting the foundation for today's sophisticated retail operations.

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IBM 3653 Store System - used by department stores to process credit card transactions
NCR 255 - the first cash register with digital display capabilities
Burroughs Series 9000 - featuring barcode scanning technology
McDonald's Micros System - designed specifically for fast food operations