The video of our shared Eric Zimmerman / Jesper Juul presentation from GLS is available online.
Click here, look for “Playing Culture”. For around 20 minutes of the talk you see an empty room as the game was being played in the hallway outside…
(I still need to work on my microphone technique.)
It was interesting having to switch between talking and having the audience play a game, but I think we managed with a reasonably low glitch and uncertainty rate.