 or maybe pick things up, but you can't go shopping on them. You can't do any of this stuff because it's just too dangerous. I mean, these things zip along as you've seen them, I'm sure. So that's the majority of the trips. The carbon offset that they talk about is just not there. You're replacing walking. And if you look at it from that perspective, suddenly these things become incredibly unenvironmentally friendly because they're being created themselves.