Which retail innovation, first introduced in 1916, fundamentally changed shopping by allowing customers to select their own merchandise without clerk assistance?

Test your knowledge about one of the most revolutionary moments in retail history! The early 20th century saw dramatic changes in how people shopped, with innovations that transformed the retail landscape forever. This poll explores a pivotal development that changed consumer behavior and set the foundation for modern retail as we know it today.

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

Self-service grocery store (Piggly Wiggly)
Department store credit card (Filene's)
Shopping mall (Market Square)
Mail-order catalog with color photographs (Montgomery Ward)