<http://schema.org/headline>
"Twitter\u2019s Transparency Report shows 6,646 copyright notices, 1,858 gov\u2019t info requests received in 2012"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2013/01/28/twitter-transparency-report-launches-dedicated-website/>