There has been a lot of development in the field of artificial intelligence in recent years. Google announced at its recent Google I/O that deep neural nets had helped it greatly improve its voice recognition as well as other products. There has also been a lot of development in autonomous vehicles. A recent article by Business Intelligence predicted there will be 10 millions autonomous vehicles on the roads by 2020.
So what does that mean for Apple?
As autonomous vehicles begin to enter the main stream, the time people spend in them will be time where they can read, work, watch video and many other activities that people currently do on their phones and tablets. While people already do this on public transport, its not too much of a stretch to see that autonomous vehicles may become pseudo personal studies and much more customised to the individual than possible on public transport.
And if the idea of car ownership changes with autonomous vehicles, what better way to get users into your ecosytem than having them use it in the drive too and from work but make it personalised to them.
Developing a car or a completely integrated system for a car, which interfaces with all your apple devices and enables you to have access to your environment, documents etc sounds like a good way to get into the next wave of user interface development.