<http://schema.org/description>
"Let me get you up to speed... In October, Matt Cutts said there will be a 15% reduction in authority to only show authorship and rich snippets for authors who have a higher level of authority.  That a"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-authorship-reduction-authority-17933.html>