An invisible conference is a small community of interacting scholars who assemble suddenly in a public place, acquire knowledge through experimental investigation, then quickly disperse.
The definition is not complete yet, there has to be included something from a key signing party.
Before the conference. [TBA]
During the conference. [TBA]
After the conference. [TBA]
In case you want to meet and talk seriously, express your interest at firstname.lastname@example.org.
I put this contact also on my alternative homepage.