 So I had that blog, hopefully you read it. I did spend quite a bit of time making it, but yes, it was generally generated by GPT-4. Yeah, that image is not great. Let me know what you think of the layout and the general structure, the language. Yeah, I was tuning it down quite a bit. They don't remember how many prompts can probably check. And we're doing another one on the PPG. Someone was asking what PPG is. So we'll have a whole blog on it. And yes, I'm more interested in all sorts of specific issues about the recordings themselves. So I don't care what it's actually called. We will actually have some practical examples. Let's see what's what the advantages, disadvantages of different recording types mainly to do with transmitted versus reflected recordings. Not sure what the bot will be able to generate in terms of images. Actually quite curious, but we might do this later. Yeah, I'm having all sorts of issues with my USB devices because my microphone is not properly connected via the Navar pre-amplifier. Talking about amplifiers, we also have now a blog on EEG hardware. Can open it live server. That's not in production yet. But it's meant to using, so thinking, I wanna record my own EEG, I've done many times before. So it should be more than capable to do that. But problem is that my older gear, I can't use it anymore. I do have one of those old and I use the DAC, the data acquisition device. Problem is I can't connect electrodes to it directly. I have to use a pre-amplifier and Texas Instruments French Instrumental amp could help a lot. And this is just some generic, you don't need the key card or anything like that. To know why it even mentions it. Yeah, we need a good CMMR to know why the bias language there. Good common mode rejection ratio. Yes, you'll have to look it up or should I have a section?