Which retailer is credited with creating the first true self-service grocery store in 1916, revolutionizing how products were sold to consumers?

Before the modern supermarket experience we know today, grocery shopping was completely different. Store clerks would gather items for customers from shelves behind counters, making shopping a time-consuming process. The self-service revolution changed retail forever, but do you know where and when this transformation began? Test your knowledge of this pivotal moment in retail and product marketing history!

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Piggly Wiggly (founded by Clarence Saunders)
A&P (The Great Atlantic & Pacific Tea Company)
Safeway (originally Skaggs Cash Stores)
Kroger (founded by Bernard Kroger)