Silent meeting
Several sessions in the same room
Delegates changed channel on the headset and followed the session they needed, without the room being rebuilt.

Assignment
Several sessions needed to run in the same room.
Challenge
There were no walls and no extra rooms to split people into.
What we did
Delegates chose a channel on the headset and could switch during the day.
Result
The room was used as it stood, and several sessions ran at the same time.