Rich Animations
Video is a must, but so are "rich animations". Rich Animations are infographic-like, fun and instructive graphics that come alive, play, and run much like a video.
Find examples in this Medium Post
https://medium.com/@lollypopindia/why-rich-animations-are-crucial-for-design-ab6e940fc8f6
Watching The Story of Stuff we realized there were some things, some hard things, better told via animation. A human narrator would have made the hard stuff too hard, but animating the devastation even our favorite stuff like iPhone create stopped the "rejection reflex" long enough to listen.
Not hard to see why animation is so effective. We've been brought up on cartoons, Sesame Street and Simpsons. If you aren't using animation to teach, engage, and make points you might otherwise not be able to make your website is less fun, effective, and profitable.