So, I may not have the right answer, but I definitely have an educated guess on this self-checkout pricing mechanism, Sean. It has to be something in the software, right? It has to be recognizing either an RFID tag, NFC, uh, QR code barcode. Maybe some combination of the weight and a camera scanning, right? I know at Walmart, for example, some products if you, uh, scan it and the associated weight with that scanned item doesn't match the weight of what's in your bag, it calls attention to your car. So have a dude, I know that runs inventory security at a Walmart and he told me that man ever since it came in the place, they've lost a ton of money, on the inventory side due to, you know, theft loss, that sort of thing. So, guess we'll see. So,