Which concession stand innovation, first widely adopted in the 1990s, revolutionized movie theater retail design and significantly increased per-customer spending?

Movie theaters generate up to 40% of their profits from concession sales! Over the decades, cinema retail strategies have evolved dramatically to maximize revenue and enhance the viewer experience. This poll tests your knowledge about how the film industry has transformed its approach to in-theater retail design and consumer products. Do you know which concession innovation revolutionized the movie-going experience and set a new standard for theater revenue streams?

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Self-service soda fountains with unlimited refills
The 'combo meal' bundling strategy (popcorn, drink, and candy packages)
Introduction of credit card payment systems at concession stands
Premium alcohol sales in specialty theater lounges