"If the sky was full of cars flying all over the place, it would affect the skyline. And it would be noisier and there would be a greater probability of something falling on your head. Those are not good things," says Elon Musk.
Beer coolers are a pain in the arse. First of all, you have to find a load of ice. Then, you have to pour all the ice into the cooler. And that's just the build up for a wet night full of melting ice. Thank God some zany Danes found a better way.