Using less and less these days, partly as i'm using YouTube less.

When I discovered Illinois Wrestle on YouTube, great 4K media with color and action to learn editing in DaVinci Resolve, and when you want more than 2 or 3 files, it really helps organise your flow to use something like HD Video Converter Factory.

As experiment, go to Illinois Wrestle, and see how long it takes to download 4 clips with Easy Youtube Video Downloader Express, and its 1080 not 4K. And YouTube is using Googles codec VP9 , its free so it will be the next H.264 ... well VP9 compete directly with H.265 which wont go away because Blu Ray, but will never be universal like H.264 (Sony PS & Apple).

Its an ever changing dynamic video landscape out there. Good luck everyone