MacHack: The Annual Conference for Leading Edge Developers announced the keynote speaker for the upcoming event. Ken Arnold, Chief Architect of EventMonitor, will kick off the 72-hour marathon conference, which takes place June 19-21, 2003 in Dearborn, Michigan. Arnold’s keynote will begin at 12:01 AM on June 19. Registration for the conference is priced at US$450 and includes access to all conference events, three meals and the conference banquet.