<http://schema.org/description>
"Google is not shy when it comes to testing new ad formats for Google Adsense.Most recently they have stepped up their expandable ads, added the scrollable ad arrows back to some ads and tested animate"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-adsense-formats-16376.html>