<http://schema.org/description>
"Last week, Google told us they pushed out a completely rewritten algorithm named Hummingbird. They said the new algorithm was released a month or so ago and no one should have noticed it.  But as I sa"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-hummingbird-hurt-17462.html>