Dear Sailesh,
If you deem it acceptable, there is this video I made to explain my
teaching of Wikipedia. It's 3 minutes long instead of 30s long, but you
can tailor it to your needs. It's in French but I can provide a
translation in English of the transcription if you wish. I can even come
in person as I live in Paris :)
youtube version :
https://youtu.be/SlrPhdSu5O4
transcription as a "The Conversation" article :
https://theconversation.com/enseigner-wikipedia-par-les-anecdotes-73537
wikimedia commons version :
https://commons.wikimedia.org/wiki/File:Enseigner_Wikipedia_Par_Les_Anecdot…
--
***********************************************
Alexandre Hocquet
Archives Henri Poincaré & Science History Institute
Alexandre.Hocquet(a)univ-lorraine.fr
https://www.sciencehistory.org/profile/alexandre-hocquet
https://poincare.univ-lorraine.fr/fr/membre-titulaire/alexandre-hocquet
***********************************************