Much discussion here: http://news.ycombinator.com/item?id=2166555 http://news.ycombinator.com/item?id=2166555 Also submitted here, although subsequently killed

Much discussion here: http://news.ycombinator.com/item?id=2166555 http://news.ycombinator.com/item?id=2166555 Also submitted here, although subsequently killed: http://news.ycombinator.com/item?id=2174333 http://news.ycombinator.com/item?id=2174333