<https://secure.gravatar.com/avatar/4ed1b14bf6a418171f0cbb77e97710e7?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://hi2day.net/tetris-beat-provides-a-fresh-take-on-a-timeless-classic/>