<https://blog.sertifier.com/2020/09/16/how-did-we-screw-up-a-product-hunt-launch/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.sertifier.com/2020/09/16/how-did-we-screw-up-a-product-hunt-launch/>