In retail history, what revolutionary merchandising innovation did Harry Gordon Selfridge introduce when he opened his London department store in 1909?

Before department stores, online shopping, and self-checkout lanes, retail looked dramatically different. This trivia explores a pivotal innovation that forever changed how consumers interacted with products and revolutionized retail visual storytelling. Test your knowledge about this transformative moment in retail history that continues to influence store designs and consumer behavior today.

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

Placing merchandise on open display counters rather than keeping items behind glass cases
Introducing the first escalator in a retail environment
Creating the first store credit card system
Implementing the first store-wide seasonal sale events