<http://schema.org/description>
"Google has just made a new addition to its bouquet of internet properties. Its answer to Wikipedia, Knol, is now in open beta. Unlike Wikipedia where every author has no choice but to be self-effacing, Knol keeps the author in the foreground and well in control of his/her work."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.maximumpc.com/google-takes-on-wikipedia-with-knol/>