<https://secure.gravatar.com/avatar/e5d2321666e1730dd4994bbc38fa1f88?s=96&amp;d=wavatar&amp;r=pg>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.litstack.com/litstack-exclusive-good-and-bad-writing-advice/12/>