Which retail giant was the first to use electronic scanners at checkout counters, introducing the Universal Product Code (UPC) barcode system in 1974?

Before online shopping and big-box stores dominated the retail landscape, several pioneering companies revolutionized how people shopped. These retail innovators introduced concepts we take for granted today—from price tags to self-service shopping to inventory management systems. This trivia question explores the historical origins of retail giants and how they transformed commerce and consumer culture throughout the 20th century.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Walmart (in Rogers, Arkansas)
Marsh Supermarket (in Troy, Ohio)
Sears, Roebuck and Co. (in Chicago, Illinois)
A&P (Atlantic & Pacific Tea Company) (in New Jersey)