Designing the user in user interfaces

In the good old days, the human was here, the computer there, and a good living was to be made by designing ways to interface between the two. Now we find ourselves unthinkingly pinching to zoom in on a picture in a paper magazine. User interfaces are changing instinctual human behavior and instinctual human behavior is changing user interfaces. We point or look left in the "virtual" world just as we point or look left in the...