As a small child, we would go to local theaters that pretty much kept the projector running all day. Between movies, there would be previews, newsreels, and other stuff. If you wanted to watch the movie over again, you just stayed. Sometimes there were double features, so you got two movies for the price of admission, and it didn’t matter which movie you saw first.
When I was 12, a Showcase Cinema opened in my town. It had a different model. The theater itself was luxurious compared to the local ones, and admission was $2.00-3.00, depending on the movie, as opposed to 75 cents at the local theater. The theater emptied out between showings (no double features), and the screen was blank for a time as the theater emptied and refilled. The new theater also got the best first run movies; the first film I recall seeing there was Goldfinger. As a result, despite the much higher admission price, it did very well. It was originally a double cinema (two auditoriums) and in time they built Cinema 3. Today, there are 15 auditoriums on the original footprint of those three.
As time went on, the older theaters were either driven out of business, converted to porn theaters or adopted the new model. Most of them are gone now (and of course, porn theaters disappeared as access to the internet became ubiquitous). The old theater in my hometown was opened a few years ago as a live theater, which is cool, but the corner movie houses are gone and missed much. A few drive-ins survive, but not nearly as many as there used to be.