I actually sat through all of that, which is rare for me with videos. The visuals supported the text without splitting my attention, the roadmap was great, the content excellent, and the points made were all good.<p>I'd quibble with some details, but overall, fantastic.<p>At also applies to my field of giving presentations about science, math or technology. So many presentations could be made so much better by following these principles. The killer close is <i>so</i> important. Telling a story, make your listener feel the pain, these are points I always tell people that ask me for advice, although I phrase them differently for my context.<p>One of the few talks about talks that was really helpful. I recommend it.