[ Seeing Annie struggling with the app, Reiner takes out his own phone. She may catch a flash of his home screen: a photograph of a beautiful autumn tree with Eren standing beneath it. Then he unlocks his phone and shows her how to open and close her bank app. ]

The message post system is trickier. It's called Ellipsanet, and it's how most people communicate long-distance. You can share information, ask questions, or do just about anything else you'd do in a crowded room. [ Which, for some people, is A Lot. ] You can make messages "private" to specific people, but by default, everyone can access what you put there. Keep that in mind.

It has options called "text," "audio," and something called "video." Video is… Well, it's easier to show you.

[ He opens his photograph app and clicks on a short video of several men gathered around a campfire. As it plays, Annie will recognize most of them: Eren, Jean, Levi, plus one stranger (Hijikata). The conversation is mundane, just chatting quietly while cooking. But the view of the campfire flickering on a snowy plain with stars overhead is beautiful. ]

Amazing, isn't it? [ Reiner allows himself to sound faintly awed, as he still is by such technology. ] Moving imagines and sound.