Gordon Gecko might say "technology is good" but Dirty Harry Callahan would add (paraphrasing for effect) that humans have to understand its limitations! In the 1970's I was fascinated with Texas Instruments calculators. They quickly went from very basic to very complicated. Just look at a modern-day financial calculator! Today many of us seem unable do simple math without a calculator. In the 1980's I was fascinated with dial-up modems and being able to send and r...