Previous incarnations:
2014 https://news.ycombinator.com/item?id=8107588
2014 https://news.ycombinator.com/item?id=7094402
2013 https://news.ycombinator.com/item?id=6661536
2012 https://news.ycombinator.com/item?id=4639271
EDIT: added whitespace for para.