Mobile devices, although thusly named since their first appearance, were not so mobile initially. Brawny arms and a strapping back were required to heave them from place to place, and you needed to remain close to a power outlet, since batteries were unheard of. Thankfully, the technology our handsets make use of has improved vastly since those good old bad old days, and extraordinary advances have been made, particularly in the last ten years. They have gotten far smaller, much more powerful, and there is almost nothing they can’t do these days. Almost everyone has one, and they are playing far bigger roles in our everyday life than we could…