WordCamp is a conference type of event that focuses squarely on everything WordPress. Everyone from casual end users all the way up to core developers show up to these events. These events are usually highlighted by speeches or keynotes by various people.
June 6 - 7, 2009
UBS Tower Conference Center
One North Wacker Drive
Michigan Ballroom - 2nd Floor
Chicago Ill. 60606
Twitter hashtag: #wcchicago
The event is officially sold out. Keep an eye on Twitter, though, for any tickets that might yet free up from people that can't make it.
Added by alexfalkenberg on June 3, 2009