The lifecycle of a car and those gadgets are quite different. Without upgradable hardware in your car you'd be stuck with a very old version of Gmail on your ca

The lifecycle of a car and those gadgets are quite different. Without upgradable hardware in your car you'd be stuck with a very old version of Gmail on your car. This is the same logic as why some people would rather buy the dumbest TV they can and let the smarts live in an external replaceable box.