<http://schema.org/about>
"Shopping the day after Thanksgiving is typically frowned on by many in the \"responsible\" movement.  But if you just can't help yourself - do it with a little green flair. Buy that sports enthusiast a pair of Green Silence by"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/turn-black-friday-green-part-ii-green-silence.html>