Indeed, this simple setup promotes more equitable participation by giving each participant an identical position and visibility in the circle.
It improves listening and connection between participants by making body language visible. By removing "the barrier" of tables, it encourages openness and presence, refocusing attention on human interactions rather than on presentation materials.
Finally, the circle improves the fluidity of speech and stimulates collective intelligence by creating a space of trust conducive to creativity and problem-solving.