Which retail innovation, first implemented in 1916 by the Piggly Wiggly store in Memphis, 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 consumers shop! This question explores how one retail innovation from the early 20th century fundamentally changed consumer behavior and set the stage for modern shopping experiences. Understanding these historical retail transformations helps product managers appreciate how innovations in customer experience can create lasting industry change.

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Self-checkout kiosks
Self-service shopping (where customers could browse and select items themselves)
Shopping carts (replacing hand baskets)
Printed price tags (replacing clerk-quoted prices)