Which retail chain pioneered the modern self-service supermarket model in 1916, fundamentally changing how Americans shopped and inspiring global retail practices?

The history of retail has been shaped by innovative companies that forever changed how we shop. From humble beginnings to global phenomena, these retail pioneers introduced concepts we now take for granted. This poll tests your knowledge about one of the most significant retail chain launches in history that revolutionized shopping habits worldwide.

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Piggly Wiggly, where Clarence Saunders introduced the first true self-service grocery shopping experience
A&P (The Great Atlantic & Pacific Tea Company), which introduced standardized store layouts and centralized purchasing
King Kullen, promoted as 'America's First Supermarket' with its warehouse-style shopping approach
Safeway, which pioneered the cash-and-carry model that eliminated store credit and home delivery services