<http://schema.org/description>
"Social media measurement and intelligence firm ViralHeat has integrated its service with Google. Today, it is unveiling a browser plugin for Google Chrome that can be used to publish ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2012/11/08/viralheat-releases-google-chrome-browser-plugin/?fromcat=all>