<http://schema.org/description>
"As you know, Google is now not passing referer data to AdWords advertisers log files, web servers and analytics packages.  Hence, AdWords went Not Provided.  But, there are easier ways for AdWords adv"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-adwords-not-provided-hypocritical-18394.html>