Frankfurt.
I'm following on directly from this first keynote at Prosumer Revisited. I don't think the audio recording worked, but here's the presentation at least. It went pretty well, I think, though I still find it hard to present this work in German...
Vom Prosumer zum Produser: Ein neues Verständnis nutzergesteuerter Inhaltserschaffung (Prosumer Revisited 2009)
View more presentations from Axel Bruns.