Which retail giant first implemented electronic scanning technology at point-of-sale in 1974, marking a revolutionary shift in retail checkout systems?

The history of retail technology has dramatically shaped how we shop today. Modern point-of-sale (POS) systems evolved from simple mechanical cash registers to sophisticated digital hubs that manage inventory, customer relationships, and payments. This poll tests your knowledge about a pivotal moment in retail technology history that transformed the shopping experience and laid the foundation for today's seamless checkout processes.

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Marsh Supermarket (using the IBM-developed UPC system)
Walmart (using their proprietary EPOS system)
Sears (using the NCR-developed scanning system)
A&P (using the Fujitsu electronic scanner)