<http://schema.org/about>
"Some of Hollywood's funniest -- Jason Biggs, Seth Rogen and Marlon Wayans -- share vital green tips."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/videos/ecollywood-jason-biggs-seth-rogen-and-marlon-wayans>