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Ever since the Industrial Revolution, [Thomas Hylland Eriksen] said, our economies have been built around a new and radical idea - economic growth. This is the belief that every year, the economy - and each individual company in it - should get bigger and bigger. That's how we now define success. If a country's economy grows, its politicians are likely to get reelected. ...If a country or a company's share price shrinks, politicians or CEOs face a greater risk of being booted out. Economic growth is the central organising principle of our society. It is at the heart of how we see the world.
Thomas explained that growth can happen in one of two ways. The first is that a corporation can find new markets - by inventing something new, or exporting something to a part of the world that doesn't have it yet. The second is that a corporation can persuade existing consumers to consume more. If you can get people to eat more, or to sleep less, then you have found a source of economic growth. Mostly, he believes, we achieve growth today primarily through this second option. Corporations are constantly finding ways to cram more stuff into the same amount of time. To give one example: they want you to watch TV and follow the show on social media. Then you see twice as many ads. This inevitably speeds up life. If the economy has to grow every year, in the absence of new markets it has to get you and me to do more in the same amount of time.
As I read Thomas' work more deeply, I realised this is one of the crucial reasons why life has accelerated every decade since the 1880s: we are living in an economic machine that requires greater speed to keep going - and that inevitably degrades our attention over time. If fact, when I reflected on it, this need for economic growth seemed to be the underlying force that was driving so many of the causes of poor attention that I had learned about - our increasing stress, our swelling work hours, our more invasive technologies, our lack of sleep, our bad diets.
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Johann Hari (Stolen Focus: Why You Can't Pay Attention— and How to Think Deeply Again)