How do you know in the metaverse that you're talking to a real human or an AI or a well intention human? Well, let's break that down into a few different cases. One of the scariest ones is how do you make sure that someone isn't impersonating you? So I think more of this stuff will have to be done at the level of the account. And there are all these like really hard and philosophical questions around where do you draw the line on some of the stuff?