So why have these technologies recently become interesting and relevant? Did some Silicon Valley innovator simply decide that we needed more technology on our wrists (and *POOF*! VC funding suddenly made it happen)?
Of course not. The truth is actually far more interesting, and, when properly understood, is the lens through which we can peer into the future.
Time for a history lesson ...
My grandfather worked on the UNIVAC computer during his time in the Army at Ft. Meade, MD in the 1950s. It was large (and the battery life was really bad...). This is an example of a UNIVAC system that was used by the Navy:
|Credit: AMD via Technology Review|