Link from last year https://news.ycombinator.com/item?id=13099135 https://news.ycombinator.com/item?id=13099135 and two years ago https://news.ycombinator.com/i

Link from last year https://news.ycombinator.com/item?id=13099135 https://news.ycombinator.com/item?id=13099135 and two years ago https://news.ycombinator.com/item?id=11937847 https://news.ycombinator.com/item?id=11937847