HN threads on this topic already: http://news.ycombinator.com/item?id=3781829 http://news.ycombinator.com/item?id=3781829 http://news.ycombinator.com/item?id=

HN threads on this topic already: http://news.ycombinator.com/item?id=3781829 http://news.ycombinator.com/item?id=3781829 http://news.ycombinator.com/item?id=2443316 http://news.ycombinator.com/item?id=2443316