Which retail innovation, first widely implemented in 1916 by Piggly Wiggly founder Clarence Saunders, revolutionized shopping by allowing customers to select their own merchandise without clerk assistance?

Test your knowledge about a pivotal moment in retail history that transformed how we shop! In the early 20th century, one innovation dramatically changed the retail landscape, empowering customers and revolutionizing the shopping experience. This advancement fundamentally altered the relationship between merchants and consumers, setting the stage for modern retail as we know it today.

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Self-checkout kiosks
Self-service shopping (where customers could browse and select items themselves)
Shopping carts with wheels
Price tags on merchandise