<http://schema.org/description>
"In beta, of course and as mentioned before, the Google AdWords API is now available.  I did not mention earlier, that Overture has an API, not sure if its free.  This opens up a lot of possibilities f"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/001444.html>