<http://schema.org/url>
<http://www.joystiq.com/2009/01/30/world-at-war-we-love-the-smell-of-double-xp-in-the-morning/>
<http://www.engadget.com/2009/01/30/world-at-war-we-love-the-smell-of-double-xp-in-the-morning/>