[Audio: English, Captions: auto–decent, Subtitles: extensive]

I would not ordinarily post something this long that was only auto captioned, but in this case it was pretty good and the subtitles throughout helped keep track of what he was saying. Interesting stuff! There’s a similar TED speech I’d love to post, but it’s NOT at all captioned. (TED crowdsources its captioning, so if you wanna help out, that’s a fabulous place to start!)