Bar Camp Chicago July 15, 2006

From barcamp.org:
BarCamp is an ad hoc un-conference born from the desire for people to share and learn in an open environment. It is an intense event with discussions, demos, and interaction from attendees.
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It's an informal party/conference about technology innovation and collaboration where participants can pitch ideas, present their work, or brainstorm on new developments.
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Read the Wired article: BAR camp press

Official Website: http://barcampchicago.com/