<http://schema.org/description>
"Apple's WWDC 2013 tickets sold out ridiculously quickly this year. All 5,000 tickets were sold out in less tha"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.todaysiphone.com/2013/04/apple-planning-tech-talks-this-fall-for-devs-who-miss-out-on-wwdc-2013/>