<http://schema.org/url>
<http://massively.joystiq.com/2008/04/11/nexons-min-kim-on-the-importance-of-target-to-free-to-play-gami/>
<http://www.engadget.com/2008/04/11/nexons-min-kim-on-the-importance-of-target-to-free-to-play-gami/>