<http://schema.org/description>
"Google has announced today that its extending free calling within Gmail through 2012 for calls made within the United States and Canada.  This is of course similar to its announcement ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2011/12/13/google-extends-free-calling-in-gmail-through-2012/>