Which retail innovation, introduced in 1916, is credited as the first true self-service grocery store, where customers selected their own items without clerk assistance?

The way we shop today seems obvious - walking through store aisles, selecting products ourselves, and checking out. But this 'self-service' model was once a revolutionary concept that transformed retail forever. Before this innovation, customers would give their shopping lists to clerks who gathered items from behind counters. Test your knowledge about this pivotal shift in retail history that fundamentally changed consumer behavior and store design worldwide.

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

Piggly Wiggly, founded by Clarence Saunders in Memphis
A&P Economy Store, launched by George Gilman in New York
King Kullen, created by Michael Cullen in Long Island
Alpha Beta, established by Albert Gerrard in California