<http://schema.org/description>
"Microsoft has re-announced its ContentAds program last Friday. The program is currently in private beta, as we have reported at the end of 2006, but we have covered it since the beginning of 2006  Mic"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/017741.html>