This is a great talk in a completely unwatchable format. Here are links to mp4s of the video:

http://stream.hpi.uni-potsdam.de:8080/download/podcast/HPIK_...

http://stream.hpi.uni-potsdam.de:8080/download/podcast/HPIK_...

http://stream.hpi.uni-potsdam.de:8080/download/podcast/HPIK_...

http://stream.hpi.uni-potsdam.de:8080/download/podcast/HPIK_...