The difference is the base of the Project Ara phone, the exoskeleton, is only $15 to replace. So if they change that, you're looking at paying $15. With PCs, th

The difference is the base of the Project Ara phone, the exoskeleton, is only $15 to replace. So if they change that, you're looking at paying $15. With PCs, the base still costs $150-200 in most cheap options and significantly more in others.