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**23C3**
	23rd Chaos Communication Congress
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Instance of	recurring event edition;
Location	Berlin Congress Center, Bezirk Mitte, Berlin, Germany
Edition number	23;
Number of participants	4,200;
Organizer	Chaos Computer Club;
Speaker	Udo Vetter; Frank Rieger; Felix von Leitner; Constanze Kurz; Jacob Appelbaum; Andy Müller-Maguhn; Marcus Richter; Tim Pritlove; Martin Haase; Rena Tangens; padeluun; Patrick Breyer; Rüdiger Weis; Jan Krissler;
Start time	27 December 2006;
End time	30 December 2006;
Part of the series	Chaos Communication Congress (24C3, 23, 22C3);
	official website
Authority file
	Q21082318;
	Reasonator; Scholia; Wikidocumentaries; KML file; Search depicted;

23rd Chaos Communication Congress in Berlin, December 27-30, 2006.