[dupe] https://news.ycombinator.com/item?id=49330742 https://news.ycombinator.com/item?id=49330742 and previously: https://news.ycombinator.com/item?id=493107

[dupe] https://news.ycombinator.com/item?id=49330742 https://news.ycombinator.com/item?id=49330742 and previously: https://news.ycombinator.com/item?id=49310725 https://news.ycombinator.com/item?id=49310725 https://news.ycombinator.com/item?id=49068738 https://news.ycombinator.com/item?id=49068738