InfoCamp2007: attendance
All told, we had 95 people known through the door for the conference, and probably a few more (so, say, an even 100) if you included the people who didn’t bother to register. (It was free for many attendees, and we think a bunch of people, knowing it was free, ghosted the conference.) That’s pretty awesome for a first-time conference in a community which hasn’t really done the unconference thing before.