Previous submissions and discussions:<p><a href="http://news.ycombinator.com/item?id=2832669" rel="nofollow">http://news.ycombinator.com/item?id=2832669</a> : A few comments<p><a href="http://news.ycombinator.com/item?id=2835383" rel="nofollow">http://news.ycombinator.com/item?id=2835383</a> : >100 comments<p><a href="http://news.ycombinator.com/item?id=2836042" rel="nofollow">http://news.ycombinator.com/item?id=2836042</a><p><a href="http://news.ycombinator.com/item?id=2836424" rel="nofollow">http://news.ycombinator.com/item?id=2836424</a><p><a href="http://news.ycombinator.com/item?id=2837948" rel="nofollow">http://news.ycombinator.com/item?id=2837948</a> : >40 comments<p><a href="http://news.ycombinator.com/item?id=2837954" rel="nofollow">http://news.ycombinator.com/item?id=2837954</a>