Which inventor is credited with creating the first self-service grocery store concept (where customers could select their own items) that revolutionized retail store layouts in 1916?

Before modern supermarkets became the norm, shopping was a completely different experience. Store clerks would gather items for customers from behind counters, and self-service was unheard of. This revolutionary retail concept fundamentally changed how we shop and laid the groundwork for modern retail as we know it today. Test your knowledge about this pivotal invention in retail store layout that transformed commerce forever!

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

Clarence Saunders (Piggly Wiggly stores)
Frank Woolworth (Woolworth's five-and-dime stores)
Sebastian Kresge (Kmart founder)
Michael Cullen (King Kullen supermarkets)