Previous discussion at: http://news.ycombinator.com/item?id=1426429 http://news.ycombinator.com/item?id=1426429 http://news.ycombinator.com/item?id=1584200 ht

Previous discussion at: http://news.ycombinator.com/item?id=1426429 http://news.ycombinator.com/item?id=1426429 http://news.ycombinator.com/item?id=1584200 http://news.ycombinator.com/item?id=1584200