 And right now we can use those cameras to identify body condition score, mobility, feed disappearance. There are some companies that are working on estimating dry matter intake, so they'll identify a cow when she comes in, stands at the feed bunk, and over time, obviously, the feed disappears. And there's a couple of companies that believe they've really got this kind of figured out and they're close to marketing. I think one of the other exciting technologies we potentially might have is a digital breathalyzer.