Previous discussion: https://news.ycombinator.com/item?id=18513030 https://news.ycombinator.com/item?id=18513030 Related discussion (lots of comments): https:/

Previous discussion: https://news.ycombinator.com/item?id=18513030 https://news.ycombinator.com/item?id=18513030 Related discussion (lots of comments): https://news.ycombinator.com/item?id=18509735 https://news.ycombinator.com/item?id=18509735