<https://secure.gravatar.com/avatar/79fe962ab24ae6c2c05ca0bf1a729783?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://johannadijkstra.nl/hoe-voorkom-je-weerstand-bij-manifesteren/>