<http://schema.org/description>
"A DigitalPoint forum thread named Anyones Yahoo ads slow to appear? seems to be right.  Since I have the ads on this site in rotation, I normally can tell when a YPN ad will show versus a Google ad.  "^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/003128.html>