Good read. It seems everything will be a module of a system. Users will only need to carry the necessary part with them. And since the mobile device now can hav

Good read. It seems everything will be a module of a system. Users will only need to carry the necessary part with them. And since the mobile device now can have such a powerful calculation capability and wireless connectivity, users will be able to just switch the physical interface they operate on and use the small bar as the core device. This isn't the first time someone tries to do this. But it seems quite viable with what Apple currently have.