The action of creating communal spaces unifies different social aggregates through resonance.

You may want to learn about Bucketworks.

They call their building a "physical wiki," and have tools everywhere for the adaption of the building to the flows that are emerging -- indeed, one of the most important rooms is a communal space called "the flowspace."

Again, beautiful artwork -- my favorite is on page 14.

I would upload the PDF w/o zipping it; I almost didn't read it because it was zip'ed. Then I said, "What the hey; I'll take the extra step." Just a thought.