Some discussion here <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6230363" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6230363</a><p>and relevant here <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=5660770" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=5660770</a>