Former discussion: http://news.ycombinator.com/item?id=3002009 http://news.ycombinator.com/item?id=3002009 A much longer discussion, but on different link, we

Former discussion: http://news.ycombinator.com/item?id=3002009 http://news.ycombinator.com/item?id=3002009 A much longer discussion, but on different link, we had 16 days ago: http://news.ycombinator.com/item?id=4112002 http://news.ycombinator.com/item?id=4112002