dupe of <a href="https://news.ycombinator.com/item?id=18217912" rel="nofollow">https://news.ycombinator.com/item?id=18217912</a> which is dupe of <a href="https://news.ycombinator.com/item?id=18212682" rel="nofollow">https://news.ycombinator.com/item?id=18212682</a>