<http://schema.org/description>
"Ever tried to import your Gmail address book into Facebook? It's not easy to do and once you manage to do it, your contacts get stuck in a sort of uneditable purgatory. So now Google ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2010/11/10/google-vs-facebook-trap-my-contacts-now/>