<http://schema.org/description>
"Google's Matt Cutts announced on Twitter at 2:13am EST that Google has taken action on a \"large guest blog network.\"   This time, Matt Cutts did not specifically say which network they targeted.Matt l"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-guest-blog-penalty-18278.html>