<http://schema.org/description>
"Twenty-four hours was all they had. Gathered in a computer room at Facebook, college students from 17 universities around the world spent the night hacking away at an annoying problem.\r\n\r\nUpdate: ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2012/12/01/facebook-university-hackathon-2012-winner-university-of-waterloo/>