<http://schema.org/description>
"Google announced that .05% of you may have issues (i.e. slowness) accessing Google tomorrow due to it being World IPv6 Day.World IPv6 Day is when the major internet companies, including Google, Yahoo,"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-yahoo-bing-ipv6-tests-13530.html>