In fact, IAmI is where I found 2 of the 3 interviewees so far. Any suggestions on description?
On another note, you should create a separate Twitter feed specifically for news and updates pursuant to the siate.
I think a good way to fix the I'm-not-sure-I-want-to-watch-the-next-episode-because-I-might-not-care-about-the-topic problem is to have one aspect of the talk focused on a specific theme, so that people can have expectations.