<http://schema.org/url>
<http://www.tuaw.com/2009/08/27/the-29-snow-leopard-upgrade-usable-for-10-4-intel-macs-as-well/>
<http://www.engadget.com/2009/08/27/the-29-snow-leopard-upgrade-usable-for-10-4-intel-macs-as-well/>