<http://schema.org/keywords>
"News"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2014/05/20/kik-sets-sights-becoming-twitter-messaging-apps/thenextweb.com/facebook/2014/02/19/facebook-acquires-whatsapp-16-billion/>