<http://schema.org/description>
"I don't remember ever seeing a URL listed in the MSN Search results before.  I see it every now and then in Google but I have not seen it in Yahoo! or MSN.  A member at WebmasterWorld is reporting suc"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/002016.html>