One of these urges had to do with creating a state of peace in the midst of turbulence, a "still point of the turning world," to borrow a phrase from T. S. Eliot.

To interact with a computer solely by voice is much more difficult work t than using various hardware input devices and monitoring the computer state with visual feedback.

One of the causes of viral dormancy is that the T-cell the virus resides in is itself in a resting state.