<http://schema.org/description>
"Read Write Web is reporting tonight on a CRN story (confirmed on Twitter), that Salesforce.com's Chatter activity stream product (currently free for Salesforce.com customers or $15/month ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2010/11/19/more-social-freemium-chatter-coming-from-salesforce-com/>