<http://schema.org/alternativeHeadline>
"As promised, Mozilla releases updated Firefox 16 with security patch for Windows, Mac, and Linux"^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/10/11/as-promised-mozilla-releases-updated-firefox-16-with-security-patch-for-windows-mac-and-linux/>