Related, with lots of comments already: http://news.ycombinator.com/item?id=1857210 http://news.ycombinator.com/item?id=1857210 http://news.ycombinator.com/it

Related, with lots of comments already: http://news.ycombinator.com/item?id=1857210 http://news.ycombinator.com/item?id=1857210 http://news.ycombinator.com/item?id=1858252 http://news.ycombinator.com/item?id=1858252