The Evolution of Car Brakes

I'm sure there are reasons why every device doesn't just work with every system. So like if you want to integrate with one of these, I bet there's some kind of fee or maybe it's harder to make something compatible and they're making a choice because they don't have six more months development time and testing time. There isn't one brake pad for all cars. Every car has a different brake pad. Now the brake pad in a 1994 Honda Civic might be the same as a 95 Honda Civic but it's definitely not the one that's Toyota uses. It could be like a gas cap. This also adds- I feel like, especially with regard to Apple, which is that