Which retail innovation, first introduced in the 1910s, fundamentally changed shopping by allowing customers to select their own merchandise without clerk assistance?

Throughout history, retail has transformed how societies consume and trade goods. From ancient marketplaces to digital storefronts, retail innovations have shaped economies and cultures. This trivia question explores a pivotal moment in retail history that changed how people shopped and established a foundation for modern consumer culture. Test your knowledge about a revolutionary retail concept that altered the landscape of commerce forever!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Self-service grocery stores (pioneered by Piggly Wiggly in 1916)
Department stores with multiple specialized sections (pioneered by Bon Marché in 1852)
Mail-order catalogs with home delivery (pioneered by Montgomery Ward in 1872)
Subscription-based retail clubs (pioneered by Sears Roebuck in 1909)