<http://www.sporcle.com/blog/2020/06/why-do-we-give-people-our-two-cents/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.sporcle.com/blog/2020/06/why-do-we-give-people-our-two-cents/>