<http://schema.org/description>
"The SEM &amp; SEO industry is flourishing.  New SEO companies spring up each day.  So what stops anyone from starting an SEO company?  Well, nothing really.  Since the industry is so unknown to the public"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/002258.html>