 How do people know which one's better, or is it something that you can just try it and find your comfort level, and obviously there's some expense involved? So how do we tell people to go about – is it just one of those things? Is it a feel thing or just go with the results? Or can you do them all if you want? I mean, I don't want to get crazy here, but I find it interesting on how people should approach these. Yeah. I mean, yeah, so it's kind of like what you're looking for.