<http://schema.org/description>
"Six months ago, we reported that Microsoft Live Search was sending spammy types of referrals.  Rogerd reports on WebmasterWorld that he's not seeing the same types of referrals we reported back in Jan"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/017780.html>