<http://schema.org/headline>
"Twitter just unveiled \u201CWeb Intents\u201D: Here\u2019s how to use them."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2011/03/31/twitter-just-unveiled-web-intents-heres-how-to-use-them/>