Previously submitted, https://news.ycombinator.com/item?id=6032090 https://news.ycombinator.com/item?id=6032090 and discussed by many here as it was on the fr

Previously submitted, https://news.ycombinator.com/item?id=6032090 https://news.ycombinator.com/item?id=6032090 and discussed by many here as it was on the front page. I'm not sure why the duplicate submission detector didn't work this time.