<http://schema.org/interactionType>
"http://schema.org/ShareAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2014/04/08/twitters-rolling-new-user-profile-pages-web-showing-best-tweets-larger-photo/screenshot-2014-04-08-13-28-40/>