<http://schema.org/headline>
"Suddenly getting notifications from old Facebook Groups? It\u2019s a glitch, and the company is investigating"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2012/11/28/suddenly-getting-notifications-from-old-facebook-groups-its-a-glitch-and-the-company-is-investigating/>