[Which leaves the possibility that people have left, just not in a way that's common knowledge. Harry'll have to investigate that further.]

No white rabbit to follow in and out of Wonderland, then. Of course, having an exit might actually make sense. Can't have that.

[One more thing he's got a really bad feeling about that needs to be poked at.]

Hey, when I got here, I saw a bunch of guys with big red 'R's on their shirts. They seemed pretty organized. Any chance that stands for 'Red Hat Society'?

[Slightly less than half true, but it might not be a bad idea to appear a bit ignorant about these guys, if Harry's hunch is right.]