<http://schema.org/about>
"In February, 2010, TreeHugger founder Graham Hill gave a TED talk on becoming a weekday vegetarian. The concept is simple, but the ramifications are much more complicated. Now Graham has expanded that talk into a comprehensive ebook entitled Weekday"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-food/weekday-vegetarian-finally-a-palatable-solution-by-graham-hill.html>