 And usually it's human error on our staff's part from mismarking a ballot. So we can identify that quickly, fix that, and then make sure we've got a count. Because every vote matters. If you're one off, you're one off and you've got to find out why. So it's incredibly important to the security and accuracy of elections. And you said earlier a lot of times it's just human error. So you guys are looking for human error and the machines are working today. So how does that work?