<http://schema.org/description>
"A WebmasterWorld thread reports that Google AdSense was was down for about two or three hours this Saturday, February 10th.  Reports are not geo-specific.  They came from several places in the US, as "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/012361.html>