Popcorn's rise to dominance in movie theaters was far from inevitable. In the early days of cinema, theater owners actively resisted the snack, viewing it as a noisy nuisance that would disrupt the viewing experience. Patrons were expected to remain quiet and focused on the screen.

This resistance began to crumble during the Great Depression. As movie attendance became one of the few affordable forms of entertainment, theaters needed new revenue streams to survive. Popcorn vendors, who had been selling the snack outside theaters, offered a solution. The inexpensive treat could be sold at a significant markup, providing theaters with much-needed profits.

By the 1930s, many theaters had surrendered to the inevitable. They installed popcorn machines and began selling the snack themselves, transforming it from an external vendor's product into a core part of the moviegoing experience. This shift not only saved struggling theaters but also created the modern movie theater concession model that persists today.