Media ecologist Marshall McLuhan (1911–1980) reminded his generation that technology is always an extension of the self. A fork is simply an extension of my hand. My car is an extension of my arms and my feet, and no less so than Fred Flintstone’s footmobile. Likewise, my smartphone extends my cognitive functions.19 The active neurons in my brain are a crackling tangle of skull lightning, and my thought life resembles a thunderstorm over Kansas.
