<http://schema.org/url>
<http://www.joystiq.com/2009/08/22/blizzcon-2009-bsgs-tricia-helfer-to-voice-starcraft-2s-kerri-1/>
<http://www.engadget.com/2009/08/22/blizzcon-2009-bsgs-tricia-helfer-to-voice-starcraft-2s-kerri-1/>