Which historic retail innovation is considered the world's first true self-service supermarket, opening in 1916 and pioneering the modern shopping experience we know today?

Throughout history, retail has undergone numerous transformations that have shaped how we shop today. One of the most significant retail innovations was the introduction of the self-service supermarket model, which revolutionized the shopping experience by allowing customers to select their own merchandise without clerk assistance. This innovation dramatically changed retail operations, store layouts, and consumer behavior in ways that continue to influence modern retail design and digital transformation strategies.

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Piggly Wiggly (Memphis, Tennessee)
A&P Economy Stores (New Jersey)
Sainsbury's Self-Service (London)
King Kullen Grocery (Queens, New York)