<http://schema.org/about>
"The final week before Christmas is when many of us finally start giving some real thought to our gift shopping.  Unfortunately this can be a challenge if we hope to have something under the tree in time for the main event.  This is where the blessed"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/green-home/holiday-gift-guide-gift-certificates.html>