Previous submissions of the same story:

http://news.ycombinator.com/item?id=2900593

http://news.ycombinator.com/item?id=2899885

http://news.ycombinator.com/item?id=2899850

http://news.ycombinator.com/item?id=2899643

http://news.ycombinator.com/item?id=2899299 <- some discussion

http://news.ycombinator.com/item?id=2898229 <- lots of comments