 All right, and so we're going to talk about both of those. Both, avoiding and achieving. Avoiding and achieving, right? I'm a big fan of the achieving part. Only with nine children. Nine children, yep. I saw one that hit double digits, and we just didn't get that. Anyway, okay, so there are a number of different methods now. I mean, back in our day, we had the thermometer and a piece of paper with dates on it, and we tracked things. Things have changed a little bit. So what methods are currently available?