<http://schema.org/description>
"A new strategy promises to test as many as 15 ad formats for those who don\u2019t normally use the microblogger for marketing."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.fool.com/investing/general/2014/04/16/for-twitter-inc-the-advertising-binge-has-barely-s.aspx>