<https://secure.gravatar.com/avatar/27ed67032a6e0d10874dd7328e19a9e1?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.halfofthe.com/news/whatsapp-new-policy-goes-against-apples-guidelines/>