<http://schema.org/headline>
"Today's World IPv6 Day: Google, Bing, Facebook and others test out new addresses for 24 hours"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2011/06/08/todays-world-ipv6-day-google-bing-facebook-and-others-test-o/>