This short movie was done to present which frame in a movie would be used by YouTube as the movie show screen
This specific movie was done in 30 fps (Frames Per Second) and consist of 1000 frames. From 0 to 999.
This way you can understand which frame in your movies would be used as the show frame by YouTube. I.e. the icon of that movie. You can calculate by the number of your total frames and get the frame number that would be presented in your film.
In this one you can choose frame 427, 494 or 742.