Well imagine my surprise when I saw an article about an event using just this sort of weeding on page 2 of hacker news... http://news.ycombinator.com/item?id=2

Well imagine my surprise when I saw an article about an event using just this sort of weeding on page 2 of hacker news... http://news.ycombinator.com/item?id=2288469 http://news.ycombinator.com/item?id=2288469