Repost of: https://news.ycombinator.com/item?id=47021136 https://news.ycombinator.com/item?id=47021136 and https://news.ycombinator.com/item?id=47038318 https:/

Repost of: https://news.ycombinator.com/item?id=47021136 https://news.ycombinator.com/item?id=47021136 and https://news.ycombinator.com/item?id=47038318 https://news.ycombinator.com/item?id=47038318