Well, you can talk at them, but I haven't heard of anybody getting a response. They're not very sociable, I guess. [ She pauses, tilting her head thoughtfully. ] Well, I said that, but there have been a couple weird instances that might have been messages from them.

--Oh, no, nobody lives outside! I'm pretty sure! I don't think it's even possible. That's the whole point of the barrier, as I understand it.