[she snorts] Wouldn't want you disturbing the neighbours.

[but she raises an eyebrow at that question, if only because most people don't take the brochure at face value upon arrival, and it really sounds like he is] That's about the long and short of it, yeah. [she looks a little bemused at the fact that the first thing she's explaining to him is mergers and not the basics, but she's ready to run with it] They usually start small--I've seen an item appear from another world, or you might catch something like a song over the radio. But know a person for longer, and you can get more of a merger. Whole locations can merge--even whole worlds, from what I've 'eard. Never seen it go that far myself, but you never know. So, that about cover it?