This is new from Alan! The talk is for the first 50 minutes and then goes to Q&A after that. To those who don't know him, I would argue that he's the most impo

This is new from Alan! The talk is for the first 50 minutes and then goes to Q&A after that. To those who don't know him, I would argue that he's the most important living figure in Computer Science. There's not too much new here but, like a good sermon, it's something you should hear every once in a while as mental reinforcement.