It's interesting that many of the comments here (7 of 9 top-level comments currently) answer the question in the title, rather than respond to the blog post (wh

It's interesting that many of the comments here (7 of 9 top-level comments currently) answer the question in the title, rather than respond to the blog post (which has some interesting points and a great list of relevant talks from conferences... starting to watch some of them right away).