If you can show how pervasive it is, you reinforce and justify the Foucauldian idea that power is, as I've said, an insidious and ubiquitous mode of circulating knowledge.

My colleagues and I at PARC believe that what we call ubiquitous computing will gradually emerge as the dominant mode of computer access over the next twenty years.

As a new computing mode, the most essential features of ubiquitous computing, embodied in intelligent space, are physical integration and spontaneous interoperation.