System one’ thinking is fast, instinctive and emotional. It’s the reptilian brain, running on instinct. By contrast, ‘system two’ thinking is slow, deliberative and more logical.7 It sometimes, but not always, acts as a check on those wilder rages.
Modern democracies aspire to run on ‘system two’ logic, and its ideal citizens are McLuhan’s literate man. Its institutions are arranged to arrive at logical, thought-out, fact-driven decisions. The internet, by contrast, more closely resembles ‘system one’: everyone and everything is immediate, instinct-ive and emotional