Looks interesting. Reminds me of uses and gratifications research in Comm that basically tried/tries to do this: "digital behaviours are usefully
understood in terms of the functions they serve
for the user"
But that fell a bit out of fashion in the field.

Any chance there'll be a publicly available recording for those not able to attend?

I had a similar idea for my courses last year:
jakobh.shinyapps.io/guessR/

I like the tracker in your app. Might add that in mine, if you don't mind.

They also share the discourse about low trust/credibility, transparency as a solution, and even badges to signal credibility! thetrustproject.org

Transparency disclaimer: I submitted an extended abstract about an AI study myself, but it was rejected. No hard feelings though, the reviews were fair!