It's not just about geeky interests. I am not a native English speaker, and I was in the artillery (so I have mild hearing loss). I can follow presentations wit

It's not just about geeky interests. I am not a native English speaker, and I was in the artillery (so I have mild hearing loss). I can follow presentations with good audio quality without effort, but at times this video is damn near incomprehensible to me. At least the subtitles are good.