I think this speaks to a key point in terms of what we want the reading group to be and how we see it evolving accordingly. I come from a background of reading groups that are unstructured - from room arrangements to conversational flow - to allow for the many different ways in which people think access into the collective knowledge sharing.
For me reading groups are unique spaces of collective study and merit as much space for emergence and flow as possible. Platforms like conversational threads leading up to and after the reading group are useful and offer more structured paths for the thinking to take shape. But in the actual room itself I hesitate to create too much structure.
That's my two cents and as always very committed to collectively creating a learning space responsive to the unique approaches and needs of the group at hand.
As for tech, this is why having the chat open is a useful tool too. As we saw with Lise, some people are more comfortable contributing that way (ie. when I read out her comments); and what can happen is that separate conversations take place there too, and then spill into the room. The intersections can become quite fun!
We also had Beatrice join for the first third and @jolwalton come in the final minutes.