Which retail innovation is credited as the world's first true self-service grocery store, opening in 1916 and revolutionizing how people shopped?

Retail innovation has transformed how we shop over the decades. One of the most significant breakthroughs came with the introduction of self-service shopping, which fundamentally changed the retail landscape forever. This revolutionary concept eliminated the need for clerks to retrieve every item for customers and paved the way for the modern shopping experience we know today. Test your knowledge about this pivotal moment in retail history!

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Piggly Wiggly, where customers for the first time selected their own merchandise using baskets while walking through a specific store layout
A&P Economy Store, which introduced the concept of checkout lanes and shopping carts to streamline the purchasing process
King Kullen, which pioneered the supermarket model with separate departments and centralized checkout counters
Safeway, which invented the turnstile entrance system and introduced price tags on individual items