Here’s Why There Are Suddenly Mini-Trailers Before the Movie Trailers on YouTube
If you watch a lot of trailers on YouTube, you’ve probably noticed a trend that’s suddenly become very prevalent: You click to play a trailer, but before the actual clip begins, you get a five-second flash of the thing you’re about to watch, complete with its own title card. Then the MPAA warning shows up and the full trailer plays. You can see an example above, in the teaser for Ron Howard’s Inferno.