<http://schema.org/description>
"Our conference is really much more than just a conference. It is also a \u00A0long string of events taking place all over Amsterdam over multiple days. You can join us just for the conference ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/eu/2011/02/01/join-200-developers-from-all-over-europe-at-the-tnw-hackathon/>