YouTube is “shiny button syndrome” on steroids. Watch a video, then another one, then another one, then another one. As soon as it’s over, click something else in the sidebar. Hurry. . . you haven’t laughed in 2.1 seconds.
But you can stop them from doing that. YouTube Annotations gives you a way to add links in your video. That way while their “eyeballs” are pointed directly at your video they can see links to other videos. You could even create a “choose your own adventure” video where you ask a question at the end of your video and provide two things to click for answers.
Here’s an example (below this is the tutorial):
And here’s how to do that: