<http://schema.org/description>
"Social media is now mainstream, but does it actually drive revenue?\r\n\r\nAltimeter Group, a research and advisory firm based in San Mateo, California, set out to answer that question ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2012/07/28/measure-your-brands-effectiveness-with-the-social-media-roi-cookbooks-recipes/?awesm=tnw.to_c2jA>