<https://blog.4tests.com/#/schema/person/0c0d84a0d1fece77a8fa16fd32fe985a>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.4tests.com/the-optimists-guide-to-social-media-8-ways-to-use-it-effectively/>