As part of Clark’s Fall 2010 Difficult Dialogues program, Nicholas Carr, author of “The Shallows: What the Internet is Doing to Our Brains,” discussed the ways in which our online existence is rewiring our minds, replacing deep thought with information overload, and overruling attentiveness with a steady stream of interruptions and distractions. This saturation of technology, he says, is affecting us at the cellular level and turning us into what one researcher terms “suckers for irrelevancy.”