<http://schema.org/description>
"A WebmasterWorld thread reports finding the destination URL change dynamically as you mouse over a Google AdSense ad.\n\n\nFor example, as I mouse over an AdSense ad, when I look in the status bar at the"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/013152.html>