OpenSpace is the energy of a good coffee break, with the flexible structure of wiki, where last minute, new creative ideas that otherwise wouldn’t be on the WikiSym program to be worked on by all types of wiki enthusiasts, in a format that allows deeper consideration of an issue than can be achieved with a 20 minute presentation.
As a point of reference, many unconferences are organized with OpenSpace or a variant.
While OpenSpace sessions aren’t actually scheduled until they’re on the wall during the conference, feel free to write here what you’re thinking about putting on the wall: Possible Sessions