Which retail innovation, first introduced in 1916 by Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise without clerk assistance?

Test your knowledge about one of the most transformative retail innovations in history that changed how people shop forever. This innovation from the early 20th century fundamentally altered consumer behavior and set the stage for modern retail experiences we take for granted today. Do you know your retail history well enough to identify this groundbreaking concept?

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Self-checkout kiosks
Piggly Wiggly self-service grocery store
Mail-order catalog shopping
Department store with multiple specialty sections