 like a practicality kind of thing. So electric signaling and kind of applying an electric field or a charge like, you know, directly to a part of the body is great if you have like skin or something like that. But how are you going to reach a tumor, you know, inside the body? It's pretty invasive, right? Like you'd have to stick a probe in. I mean, breast cancer, sure, that might work, but something like a glioblastoma cancer that's in your brain, right?