Dup: <a href="http://news.ycombinator.com/item?id=1071568" rel="nofollow">http://news.ycombinator.com/item?id=1071568</a><p>Although as so often happens, the first submission sinks without a trace, a subsequent duplicate submission gets an upvote on the "newest" page, makes it to the front page and thereby gets noticed generally.  This is one argument to suggest why the duplication detection algorithm should not be tightened significantly - if a link has any real merit, and it's news rather than something old that someone has run across, then it has several chances of not being missed, becuase it will get submitted several times.<p>Earlier submissions of the same story also sank (mostly) without trace:<p><a href="http://news.ycombinator.com/item?id=1071533" rel="nofollow">http://news.ycombinator.com/item?id=1071533</a><p><a href="http://news.ycombinator.com/item?id=1071093" rel="nofollow">http://news.ycombinator.com/item?id=1071093</a>