If you're working in a participatory organization of more than ~8 people, I highly recommend #fishbowl formar for bigger topics where there is a division of opinion or expertise.
Inner circle: talking
Outer circle: listening
Switch circle: when you want and there's a space
It doesn't put pressure on less involved people to say stuff (like rounds do) and it doesn't go too chaotic like a big discussion. The format is self-moderating too.
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