<http://schema.org/description>
"Typepad, one of the most popular paid blog hosts, as of this weekend has started publishing activity streams, or LifeStreams as some people like to call them.\r\n\r\nDefinition: Activity ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/asia/2010/03/15/typepad-adds-activity-streams/>