https://news.ycombinator.com/item?id=13234026 - December 2016 (2 comments)
https://news.ycombinator.com/item?id=6865205 - December 2013 (47 comments)
https://news.ycombinator.com/item?id=1556986 - July 2010 (28 comments)
https://news.ycombinator.com/item?id=825746 - September 2009 (94 comments)