Couple of discussions in the past:<p><a href="https://news.ycombinator.com/item?id=11054912" rel="nofollow">https://news.ycombinator.com/item?id=11054912</a><p><a href="https://news.ycombinator.com/item?id=25204785" rel="nofollow">https://news.ycombinator.com/item?id=25204785</a><p>While searching I also found this one, also interesting:<p><a href="https://news.ycombinator.com/item?id=6983904" rel="nofollow">https://news.ycombinator.com/item?id=6983904</a>