<https://www.wrock.org/check-how-to-mute-yourself-on-during-a-video-call-on-zoom/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.wrock.org/check-how-to-mute-yourself-on-during-a-video-call-on-zoom/>