<http://schema.org/description>
"Regularly engaging content is the holy grail of any social media page. However, most strategies tend to focus on posting content relevant to them without really considering what it ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2013/01/19/how-simple-psychology-can-help-increase-brand-engagement/>