this is vaguely related to the string theory related post from a day or two ago, it's all bazinga science folks TL;DW string theory is a big thing because people that read pop science really liked it and it took a long time for physicists to come out in force and say "this is untestable garbage"
They're good if you have a second monitor, I just throw them on to keep my mind occupied. I watched this one as I played some Kerbal Space Program. Can't imagine watching videos this long with full, undivided attention though.
If you're not watching with attention you're not watching at all. Try it: next time you're playing video games, rewind the video by 30 seconds and try to predict what he's going to talk about. You can't, not because it slipped your mind but because it never entered it in the first place.
You're 100% right! I never really remember. I've done it before. But I accept that; if the video person says some things that sound interesting I will pause my game and rewind as you said, and actually listen. It's the best of both worlds.