<http://schema.org/url>
<http://www.joystiq.com/2008/06/27/players-attempt-to-hit-7-billion-kills-while-halo-3-killcount-ex/>
<http://www.engadget.com/2008/06/27/players-attempt-to-hit-7-billion-kills-while-halo-3-killcount-ex/>