<http://schema.org/about>
"Dear Pablo: I received my annual paper weight phone book today and I couldn't help but wonder about the millions of trees that are wasted each year on the yellow pages."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/ask-pablo-what-is-the-impact-of-all-those-unwanted-phone-books.html>