This is a dupe. See http://news.ycombinator.com/item?id=84039 http://news.ycombinator.com/item?id=84039 and http://news.ycombinator.com/item?id=317692 http://ne

This is a dupe. See http://news.ycombinator.com/item?id=84039 http://news.ycombinator.com/item?id=84039 and http://news.ycombinator.com/item?id=317692 http://news.ycombinator.com/item?id=317692 and http://news.ycombinator.com/item?id=524470 http://news.ycombinator.com/item?id=524470