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

Throughout history, retail innovations have fundamentally transformed how people shop and live. From the introduction of barcodes to the rise of e-commerce, these breakthroughs have reshaped economies and consumer behaviors. This poll tests your knowledge about a revolutionary retail innovation from the mid-20th century that permanently altered the shopping landscape and created the foundation for modern retail experiences we take for granted 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