<http://schema.org/description>
"For those of you curious what Facebook\u2019s academic psychological experiment was like, you can now recreate it on your\u00A0own account\u00A0with the Facebook Mood Manipulator Chrome plugin ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2014/07/03/subject-facebooks-controversial-emotion-experiment-chrome-plugin/>