Watching someone communicate using a hand-held telephone is like viewing a magicians’ sleight-of-hand skeletal manipulation – the fingers cradle the phone while the thumbs frantically hop across a neon-lit screen resembling adrenalin-infused high jumpers. My definition of Thumbdriving is the skillful art of using your thumbs repeatedly to tap visual buttons on the smooth surface of a functioning electronic device with the goal of producing a retrievable text message. Young children do it, teenagers do it, adults do it and…..