"Right, yeah," Rose mused out loud. "I think it's knowledge, but, you might be a little stuck with only uh our universe? That alternate universes thing... Did you know Dead End actually met an alternate version of me? Wild, yeah?" But it makes her happy in a weird way, because most alternate universes seemed completely devoid of a Rose Tyler. Which was still just as well since she got into enough trouble already, but still.

"Come to think of it though, Nautilus is alive and has a sort of TARDIS effect on everyone. But maybe there's other call for talking to things that no one thinks to?"