<http://schema.org/description>
"Apple today announced that OS X 10.9 Mavericks will be available as a free update today.\u00A0Macs going all the way back to 2007 are eligible to install the new OS. You can download it ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2013/10/22/apple-release-os-x-10-9-mavericks/>