<http://schema.org/description>
"As you may have heard, last week, many SEOs, including Dan Petrovic, Steve Webb and George Zlatin received extortion emails from an alleged SEO claiming they will perform negative SEO on their site if"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/seo-extortion-emails-19014.html>