As I happened to be the time keeper for the GA, I thought it could be a good idea to make something useful with the data I had written in my notebook. The duration limit for the interventions was 3 minutes. Around 12 people, from the aprox. 39 different who spoke, exceeded the 3 minutes limit.
You can also read the transcripts of the polemic GA: http://bit.ly/OBga120110
Update: the raw data used to make the graphic http://bit.ly/OBGA2012jan10duration
Note: After some feedback: I figured out that the classification by sex would be problem. I decided to go anyway assuming that difficulty-arbitrary