<http://schema.org/description>
"For the past three hours or so, YouTube, Google's very popular video portal, has been down.  It goes up here and there, but then goes back offline.  The error  many people are seeing seems to be datab"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/022540.html>