A perenially popular topic, with many submissions. This exact link was submitted 7 weeks ago:<p><a href="http://news.ycombinator.com/item?id=1733814" rel="nofollow">http://news.ycombinator.com/item?id=1733814</a><p>If you like that, you'll like these:<p><a href="http://searchyc.com/submissions/sort+algorithm?sort=by_date" rel="nofollow">http://searchyc.com/submissions/sort+algorithm?sort=by_date</a>