This was recently discussed on HN: 3 months ago: https://news.ycombinator.com/item?id=21781019 https://news.ycombinator.com/item?id=21781019 1 year ago: https

This was recently discussed on HN: 3 months ago: https://news.ycombinator.com/item?id=21781019 https://news.ycombinator.com/item?id=21781019 1 year ago: https://news.ycombinator.com/item?id=18564540 https://news.ycombinator.com/item?id=18564540