Check your pocket. Check your purse. Check your hand. Chances are, you’re carrying a computing device. Today large numbers of Americans have and use cell phones capable of a wide variety of computations. Handheld calculators, laptop computers, and personally owned gaming devices abound.
Your computing device is the result of centuries of innovation and experimentation by inventors and users alike. The devices they proposed, operated, and owned were personal to them—a tangible symbol of their ideas, their expertise, and their unique needs.