The vehicle is designed for a specific use case. It's about the focus use of the technology to create attributes for that particular use case. The way we've stacked the space is just enough for the airport run, because we know the data of how many airport runs are done when luggage is carried in the vehicle. And then you have the things that you don't see as obvious, right? So things like how easy it is to clean a vehicle. I'll go deeper in car in a second.