[2016]. Previous discussions on HN: https://news.ycombinator.com/item?id=13639549 https://news.ycombinator.com/item?id=13639549 https://news.ycombinator.com/ite

[2016]. Previous discussions on HN: https://news.ycombinator.com/item?id=13639549 https://news.ycombinator.com/item?id=13639549 https://news.ycombinator.com/item?id=13044685 https://news.ycombinator.com/item?id=13044685 Very good article, so good that my coauthor and I used the metaphor in our book.