That's why a modular mobile phone is so interesting. The important aspect of a modular mobile phone is not what you can add to it (silly little consumer module

That's why a modular mobile phone is so interesting. The important aspect of a modular mobile phone is not what you can add to it (silly little consumer modules) but what you ca subtract from it. With a modular mobile phone, you could physically isolate the GPS/GSM/LTE/bluetooth components at will. My prediction is that the google modular phone, whatever it's called, will have the cellular components on the base system and not removable, which is a pity.