Part I: http://news.ycombinator.com/item?id=632335 http://news.ycombinator.com/item?id=632335 Part II: http://news.ycombinator.com/item?id=635381 http://news.y

Part I: http://news.ycombinator.com/item?id=632335 http://news.ycombinator.com/item?id=632335 Part II: http://news.ycombinator.com/item?id=635381 http://news.ycombinator.com/item?id=635381