There are ton of useful tools you can use to bookmark/save/tag/whatever until you're ready to incorporate it. Personally, I'm a big fan of Instapaper. It's got a mobile app, integrations with popular apps, web browser extensions, and a really easy folder system. If Instapaper doesn't strike your fancy, there are plenty of other options! Here are just a few more:
This is less of a recommendation and more of a bias of personal experience, but I use Camtasia (available on both macOS and Windows) for screen recordings. It's not free, but it's also not exorbitantly expensive. Particularly when I know I'm going to want to do a little bit of editing and annotation after the fact, it gets the job done.