Amajority of us have drawn lines in the dirt, emphasizing the point beyond which we simply will not be pushed by pesky, ever-encroaching technology. Most of us gradually fold, however. In retreat mode, we still draw lines, but they are evermore faint, each drawn with diminishing enthusiasm. I was a stubborn hold-out when smart phones came along. But I had company. Friends joined me in pledge-of-allegiance commitment to our flip-phones. Even they had more more functions than we cared to master. One by one, though, we have caved in. I’ve had my smart phone for three years, and probably have a vague ...