<http://schema.org/description>
"If you want to find out how influential you are on Google+, there's an app for that. Similar to other services which calculate your influence on Twitter, LinkedIn and other social networks ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/09/08/plusclout-lets-you-know-how-influential-you-are-on-google/>