<http://schema.org/headline>
"Pitch your app at the BlackBerry Jam Session at SXSWi this weekend and get a free BlackBerry PlayBook!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://crackberry.com/pitch-your-app-blackberry-jam-session-sxswi-weekend-and-get-free-blackberry-playbook>