<http://schema.org/interactionType>
"http://schema.org/CommentAction"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2012/12/20/twitter-com-login-flaw-causes-passwords-to-be-sent-in-plain-text-in-some-cases/?fromcat=all>