<https://preroll-er.com/preroll-er-reality-check-theres-more-to-pre-rolls-than-the-thc-level/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://preroll-er.com/preroll-er-reality-check-theres-more-to-pre-rolls-than-the-thc-level/>