GUADEC is the annual conference of the GNOME community, held in Europe since 2000. GUADEC 2013 was held in Brno, Czech Republic, a city which has played host to several other successful GNOME-related hackfests in the past. From now on, you can watch GUADEC 2013 video recordings and slides at: http://www.superlectures.com/guadec2013/