Hasn't this article been on HN already last year? https://news.ycombinator.com/item?id=5020421 https://news.ycombinator.com/item?id=5020421 just with a slash in

Hasn't this article been on HN already last year? https://news.ycombinator.com/item?id=5020421 https://news.ycombinator.com/item?id=5020421 just with a slash in the end, as far as I can tell