Weird to post this youtube video embedded on kottke as if it was a post from kottke, here's the original TedEd video on youtube: https://www.youtube.com/watch?v=LaLvVc1sS20
No, it is just that it is a video and not a text. I don't always have the means to watch a video when clicking a link, so it is nice to know that there is no text content just a video.
Text is superior to video. This fuels my hatred for bad essays on YouTube (which they don't even mention that they are highschool lever essays) and a lot of video editing and then people go nuts and +1 million views