The 22nd Chaos Communication Congress (22C3) is a four-day conference on technology, society and utopia. The Congress offers lectures and workshops on a multitude of topics including (but not limited to) information technology, IT-security, internet, cryptography and generally a critical-creative attitude towards technology and the discussion about the effects of technological advances on society.
The congress (sub-titled "Private Investigations") will be held from December 27th to 30th, 2005, in Berlin, Germany.
Some noteworthy bits and pieces:
This is gonna be one of the highlights of this year, I'm really looking forward to the congress.