Just to assist with cross-referencing, there's another, slightly more recent discussion of this here: http://news.ycombinator.com/item?id=2119104 http://news.y

Just to assist with cross-referencing, there's another, slightly more recent discussion of this here: http://news.ycombinator.com/item?id=2119104 http://news.ycombinator.com/item?id=2119104