<http://schema.org/about>
"It's Blog Action Day! A special day for bloggers around the world to raise our voices on important causes from different angles. The theme for this year is"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/four-argentinean-design-projects-helping-those-in-need.html>