<http://schema.org/headline>
"WWDC Demo: Dive Log, Trimix and Nitrox for iPhone, iPod touch"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/07/06/wwdc-demo-dive-log-trimix-and-nitrox-for-iphone-ipod-touch/>