<http://schema.org/description>
"I spotted this test via a DigitalPoint Forums thread, where iBrowseHere.com found Google testing a Google AdSense ad with a \"show more\" link.  Here is a screen capture:When you click on the \"show more"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/014388.html>