<http://schema.org/description>
"Twitter has today announced on its blog that there are 1 million registered Twitter apps, built by more than 750,000 developers. This is a huge increase over the only 150,000 apps that ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2011/07/11/twitter-announces-1-million-registered-apps-introduces-developer-site/>