I should add where the streams will be broadcast, since it's not immediately obvious. This page has info on the many different options https://events.ccc.de/congress/2012/wiki/Streaming The OGG streams, viewable in TBB, will be here Saal 1  http://theora.29c3.fem-net.de:8000/room1 Saal 2  http://theora.29c3.fem-net.de:8000/room2 Saal 3  http://theora.29c3.fem-net.de:8000/room3 Check the links in the first post for the Saal that the talk is located in.