By sheer chance, there's now a HN submission that answers both (but mostly the second) questions PERFECTLY: https://news.ycombinator.com/item?id=46185957 https

By sheer chance, there's now a HN submission that answers both (but mostly the second) questions PERFECTLY: https://news.ycombinator.com/item?id=46185957 https://news.ycombinator.com/item?id=46185957