<http://schema.org/interactionType>
"http://schema.org/ShareAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2013/01/10/all-developers-can-now-respond-to-user-comments-and-reviews-on-google-play/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TheNextWeb+%28The+Next+Web+All+Stories%29>