unpanel
Unpanel – also called a fishbowl or Samoan Circle, the unpanel has a small ring of initial participants discussing a prepared question which then opens up to have people from the outer ring of witnesses join the conversation and add questions, one at a time via an empty chair in the center ring.
first heard described by Scott Nine.
the above is from the cooperation 2015 site.
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lumiar school via Ricardo Semler
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visions of this as rotating mayors/conversations of a city via neighbor\hood govern\ment.
foo camp – unconference ness – like contactcon
https://en.m.wikipedia.org/wiki/Foo_Camp