Some of the previous submissions:

http://news.ycombinator.com/item?id=68918

http://news.ycombinator.com/item?id=92542

http://news.ycombinator.com/item?id=122989

http://news.ycombinator.com/item?id=150863

http://news.ycombinator.com/item?id=152311 <- 7 comments

http://news.ycombinator.com/item?id=626380

http://news.ycombinator.com/item?id=827107

http://news.ycombinator.com/item?id=2359174 <- 21 comments

This is a fabulous talk that I thoroughly commend. It's also, perhaps, for a slightly limited audience, but it shouldn't be. I think every programmer should see the whole thing, but most won't bother. Which is a shame.