Alexander Graham Bell’s telephone from 1877 bears about as much similarity to the modern smart phone as an abacus bears to a PC or Mac. There are just about as many leaps in technology in both cases. It’s funny how a major jump in technology happens (like the actual invention of the phone). Then there are some refinements over a few years or decades until it gets to a useful stable form. Then it stays virtually the same for many years with only minor innovations. The telephone was virtually unchanged from sometime before I was born until I was about forty. Push-buttons were replacing the rotary dial, but that was about it. (Isn’t it interesting though that when we call someone, we still call it “dialing?” I have never seen a dial on a cell phone.) Cell phones were introduced and (once they became cheap enough) they changed the way we phone each other. New advancements followed soon after, texting and then smart phones. Personal computers were also becoming commonplace and wer...