<https://secure.gravatar.com/avatar/256cbd3df6b775d569b3dddab2bbad35?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ithon.hu/1-eves-az-apple-arcade-van-meg-hova-fejlodni/>