Very little to add to these pictures..
But, very interesting story about the origins of Ubiquitous computing, a term coined by Mark Weiser at Xerox Parc in 1988… Please find links below in the references…
I must add though, that we know how to solve these problems, given time of course.
References
The origins of ubiquitous computing research at PARC in the late 1980s; by M. Weiser, R. Gold, J. S. Brown; 1999
Alan Tatourian 