When I was a lad, a fellow named Edward Packard came up with the
Choose Your Own Adventure series, books where you read until an action point and you had to make a decision - your decision determined the plot of the book from there on out by sending you to a specific page where things continued.
Using real-time video coding procedures, a group of researchers have created a similar approach that is interactive for movie watchers, so if you're one of those annoying French nihilists and like movies that end with a crying clown or whatever, okay, it can happen, but if you're an outrageously optimistic American and like happy endings, that could be possible also.