The previous submission of the canonical URL http://news.ycombinator.com/item?id=5019442 http://news.ycombinator.com/item?id=5019442 received no discussion, b

The previous submission of the canonical URL http://news.ycombinator.com/item?id=5019442 http://news.ycombinator.com/item?id=5019442 received no discussion, but I think that's too bad, and I would love to see discussion of this interesting article begin here.