<https://tonosamart.com/blog/lion-is-also-set-in-first-thing-after-you-purchase-the-macbookair/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://tonosamart.com/blog/lion-is-also-set-in-first-thing-after-you-purchase-the-macbookair/>