<http://schema.org/description>
"What app do you use to run a contest or a promotion on Facebook? If you're in the US, you have quite a few options, but in other regions such as Latin America, the offer is much more ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/la/2011/12/02/the-fan-machine-wants-to-boost-latin-american-facebook-pages/anton-chalbaud/>