<http://schema.org/interactionType>
"http://schema.org/CommentAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/microsoft/2013/06/26/microsoft-opens-windows-dev-kit-applications-for-its-next-gen-kinect-costs-399-to-get-involved/?fromcat=all>