With the real-life example of "Waterfall" being discussed ... http://news.ycombinator.com/item?id=2233584 http://news.ycombinator.com/item?id=2233584 I though

With the real-life example of "Waterfall" being discussed ... http://news.ycombinator.com/item?id=2233584 http://news.ycombinator.com/item?id=2233584 I thought this deserved another outing. SPOILER ALERT - the page does show how it's done.