Discussed extensively here:<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11648758" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11648758</a><p>And here:<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11650102" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11650102</a>