Funny, this URL is <i>exactly</i> the same as the one posted yesterday: <a href="http://news.ycombinator.com/item?id=1630579" rel="nofollow">http://news.ycombinator.com/item?id=1630579</a>
That's been tackled exhaustively long ago:<p><a href="http://www.youtube.com/watch?v=ifmRgQX82O4&feature=related" rel="nofollow">http://www.youtube.com/watch?v=ifmRgQX82O4&feature=relat...</a>