I think there is a battle between two competing AI philosophies. One philosophy thinks AI should be central: all devices need to talk to the overmind for learning. The other philosophy thinks AI should be local: the device should learn on its own, kind of like a biological agent. I think the 'biological agent' form of AI is interesting when it comes to privacy of information. Only you and the device have the data.
The future of AI should be interesting with these two philosophies in mind.