<https://secure.gravatar.com/avatar/b8a05221a59b0464c6eab93c874662c0?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.newinterestingfacts.com/signs-that-you-lack-basic-social-skills/>