Also see the Q&A from later that day: <a href="http://media.ccc.de/browse/conferences/sigint13/vortrag_mp6_og_-_2013-07-05_19:00_-_q_a_with_nadim_on_cryptocat_-_5089.html" rel="nofollow">http://media.ccc.de/browse/conferences/sigint13/vortrag_mp6_...</a><p>Both videos also downloadable from <a href="http://ftp.ccc.de/events/sigint13/mp4-h264/" rel="nofollow">http://ftp.ccc.de/events/sigint13/mp4-h264/</a>