<https://secure.gravatar.com/avatar/7f6067f31ca39480bd6ccdc2de1b511a?s=96&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.albertovalle.com.br/os-atalhos-no-e-commerce-nao-existem/>