Steve Ballmer did the keynote at MIX today and he just does it again: after Guy Kawasaki asks him not to do any monkey boy a particpant gets the change to get to the microphone and challenge Steve.
I was sitting next to my manager Luc who happened to be recording bits and pieces with his photo camera. As you can see in the video below, he was recording at the right moment. Here's the proof:
You will be able to see the whole keynote by going to the MIX sessions site but the above recording actually shows you how we were experiencing this with noise from the room.