<https://blog.mozilla.org/blogarchive/#/schema/person/cb3d343925b31fd6e3c40db03d2c0aea>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.mozilla.org/blogarchive/blog/2011/02/25/get-the-latest-mozilla-firefox-4-beta-test-your-favorite-websites-and-add-ons/comment-page-3/>