In which decade was the first true self-service grocery store, Piggly Wiggly, founded by Clarence Saunders, introducing the revolutionary concept where customers could select their own merchandise?

Retail has evolved dramatically throughout history, with innovations that fundamentally changed how consumers interact with products. One of the most transformative shifts was the introduction of self-service shopping, which eliminated the need for clerks to retrieve items from behind counters. This innovation revolutionized the shopping experience, increased browsing time, and ultimately led to the modern supermarket and department store layouts we know today. Test your knowledge about this pivotal moment in retail history!

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1910s (specifically 1916)
1890s, during the economic boom following the Industrial Revolution
1930s, as a response to Great Depression labor cost cutting
1950s, alongside the post-WWII suburban shopping boom