<http://schema.org/description>
"Twitter has announced that its Certified Products Program, a\u00A0list of companies using Twitter data in approved ways, is expanding with 11 new services targeted specifically towards ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2013/05/30/twitter-expands-its-certified-products-program-with-11-new-services-targeted-at-international-brands/>