Extensive discussion:
<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=4128208" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=4128208</a><p>Other submissions:<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9005684" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9005684</a><p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8970178" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8970178</a><p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8961519" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=8961519</a><p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=4476211" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=4476211</a>