<http://schema.org/about>
"Obama administration agrees to release secret 'White House Honey Ale' recipe if more than 25,000 people sign an on-line petition."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/lifestyle/arts-culture/blogs/white-house-ransoms-beer-recipe-for-25000-signatures>