This is technology that was unthinkable before just a couple of years ago. Photorealistic video generated by typing out a description of what you want to see is something from a sci-fi movie. I must be dreaming, this can't be real.
I took a screenshot in the middle of a video, and it's indistinguishable from a photograph: https://imgur.com/a/TyNbd7E
I don't know, maybe I'm just old. I remember hacking the hidden iframe trick to make ajax-style file uploads work in IE7. The advancements I've watched unfold in the past couple of years are still hard to wrap my head around.