On the point of software eating the world google may be uniquely positioned to make something of this scale work- They have trend data for a majority of people

On the point of software eating the world google may be uniquely positioned to make something of this scale work- They have trend data for a majority of people with smartphones and I often see from Google Now cards that they know what I'll do generally before I have even decided. If used in the correct way it would deliver huge value and disrupt the established patterns of car ownership.