Five days ago, HN's front page linked to an article that answers your questions in a very general sense: https://news.ycombinator.com/item?id=30185229 https://n

Five days ago, HN's front page linked to an article that answers your questions in a very general sense: https://news.ycombinator.com/item?id=30185229 https://news.ycombinator.com/item?id=30185229