<https://secure.gravatar.com/avatar/ac55d221ec647d3ff014b72f88693a63?s=96&amp;d=blank&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.qrcodepress.com/adblock-plus-mobile-ad-blocking-criticized-over-threat-to-publishers/8530394/>