A dupe of <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9039274" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9039274</a>. Also the recent discussion of <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10773808" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10773808</a>.