I liked the parallel stream format. This was my first time at Wikisym and found the Open Space sessions useful. However, in practice, I have only gone to OS on the first day. This is at least partly because there have been plenty of organised panels that I wanted to attend so, implicitly, I have been treating OS as "inferior" to the "real" conference. I suspect, therefore, that if OS is to stay parallel then the individual sessions need somehow to be more fully integrated into the rest of wikisym.