Previous discussions:<p><a href="https://news.ycombinator.com/item?id=13147758" rel="nofollow">https://news.ycombinator.com/item?id=13147758</a> - December 2016 (3 comments)<p><a href="https://news.ycombinator.com/item?id=1913597" rel="nofollow">https://news.ycombinator.com/item?id=1913597</a> - November 2010 (13 comments)