Which company opened the first true self-service grocery store in 1916, revolutionizing store layouts by allowing customers to select their own merchandise?

The retail landscape has dramatically evolved over the past century, with innovations in store layouts fundamentally changing how we shop. One of the most significant retail revolutions occurred in the early 20th century when traditional clerk-service grocery stores transformed into self-service formats. This innovation completely changed customer shopping behavior, store design principles, and ultimately led to the modern supermarket concept we know today. Test your knowledge about this pivotal moment in retail history!

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Piggly Wiggly
A&P (Great Atlantic & Pacific Tea Company)
Kroger
Safeway