 Exactly. So it depends. Some of the platforms do run background checks, for example. Others do not. And it's a completely trust-based exchange. So people who have done these types of swaps say that you should vet the person who's coming to stay in your home. And they shouldn't feel like a stranger by the time they get there. A lot of people plan these exchanges out months in advance rather than weeks. So they do have time to FaceTime or Zoom with the person who might be coming.