This is the third submission of this article in a few days: <a href="http://news.ycombinator.com/item?id=1031898" rel="nofollow">http://news.ycombinator.com/item?id=1031898</a> <a href="http://news.ycombinator.com/item?id=1030950" rel="nofollow">http://news.ycombinator.com/item?id=1030950</a><p>Please do a search on <a href="http://searchyc.com/" rel="nofollow">http://searchyc.com/</a> before submitting articles.