Article summary — original

The Cognitive Revolution: Mirroring and Accelerating the Path of the Industrial Age The emergence of artificial intelligence represents a Cognitive Revolution that directly mirrors the Industrial Revolution's transformation of physical labor. As machine intelligence becomes drastically cheaper and ubiquitous, it promises to fundamentally reshape labor, education, medicine, daily routines, and geopolitics at unprecedented speed. Over two centuries, physical work moved from 99% biological to 99.9% machine-driven; a century ago, 99% of cognitive work was human, but machines are projected to perform 99.9% of it in the near future. Input commodities have shifted from coal, iron, and steam processes to electricity, compute, and transformer algorithms, creating new industrial titans and geopolitical stakes. Declining cognition costs echo Jevons' Paradox: lower costs spur unbounded demand for thinking across areas like programming, scientific research, and healthcare. While historical technological shifts generated net employment growth, transitional phases like Engels' pause inflicted generational costs, presenting policy challenges given AI's compressed timeline. Core human roles will increasingly center on agency, choice, accountability, and interpersonal trust rather than raw calculation or execution. Industrial and Cognitive Parallels Human work divides into physical force and cognitive effort. The Industrial Revolution mechanised physical tasks over two centuries through steam, combustion, and electricity, shrinking human muscle to a minor share of global energy expenditure. Today, electronic computation and neural networks are driving an equivalent transition in mental labor. With cognitive work and physical work roughly splitting the approximately $120 trillion world economy, the automation of intelligence parallels historical commodity scaling—substituting electricity and compute for coal and iron, and transformer models for the Bessemer process. Falling Costs and Expanding Demand As the cost per unit of intelligence collapses—dropping more than 10x per year in intelligence per watt—demand follows the pattern observed by William Jevons in 1865, where efficiency increases total consumption rather than curbing it. Cheap cognition unlocks latent demand across sectors where thinking was previously rationed, enabling exhaustive research, expanded medical reviews, and widespread analytical assistance. Just as the Spinning Jenny automated skilled textile weaving and foreshadowed modern manufacturing, coding agents currently automate software development by shifting human roles from execution to supervision. Labor Transitions and Policy Urgency Historically, mechanization did not eliminate labor; it eliminated specific categories while creating professions that earlier generations could not anticipate. Although agricultural employment fell from over 75% of American workers in 1800 to around 1% today, total employment and living standards rose. However, transitions carry significant human costs, exemplified by Engels' pause between 1780 and 1840 when output surged while wages lagged. Because the Cognitive Revolution operates on a far more compressed timeline—potentially years rather than decades—institutional safety nets, education, and retraining programs face urgent adaptation pressures. Transformations in Institutions and Daily Routines The Industrial Revolution shaped modern education into a synchronized, factory-like model and organized daily life around rigid clock shifts, commutes, and domestic separations. Cheap, scalable intelligence challenges these structures by lowering the marginal cost of one-to-one tutoring, enabling asynchronous task-driven schedules, and reuniting work with the home. In healthcare, scalable cognition expands drug discovery beyond human comprehension limits and mitigates severe clinician shortages by moving medicine from reactive intervention toward proactive care. Geopolitics and the Enduring Human Role International power dynamics that once depended on refining capacity, coal, and steel are shifting toward power grid capacity, compute, and intelligence output. Just as industrial bases produced dual-use military technologies, intelligence will carry geopolitical and security ramifications. Ultimately, human purpose persists despite automation: while machines take over computation and operational tasks, economically enduring value remains tied to desire, ethical choice, accountability, and mutual trust.

Article summary — zh

从工业革命映射认知革命:机器接管思维后的经济、社会与人类角色重塑 红杉资本发布的文章指出,AI驱动的“认知革命”正复刻两个世纪前的工业革命轨迹。人类工作正经历由肌肉机械化到脑力外包的转变。随着单位智能成本呈指数级下降,潜在大规模需求将被释放,劳动力、教育、医疗及日常生活范式将经历深刻重构,但人类在愿望、决策与信任维度的价值依然不可替代。 工业革命使物理劳动由99%生物力转变为99.9%机器完成;认知革命正在使机器承载绝大多数认知工作,但因算力大幅增加,人类思维总量并未减少。 认知成本快速崩溃(每瓦智能每年下降超10倍),引发杰文斯悖论,将解锁科研、医疗和商业等领域几乎无限的潜在思考需求。 AI编程等初级技能自动化相当于当年的珍妮纺纱机,引发人类向监督者角色转变,而类似汽车级别的革命性终端应用尚未出现。 历史表明机器消除旧职业的同时会创造更多新工种,但转型速度由以往的数十年缩短至数年,造成剧烈的社会适应压力与潜在的“恩格斯停顿”。 教育、医疗及日常工时制度将打破工业时代形成的工厂化与机械化束缚,转向异步、主动与普惠形态。 两场革命的映射:从物理劳动到认知劳动的机械化 人类经济活动可划分为物理工作与认知工作。在工业革命的200年里,物理工作从99%依赖生物肌肉转向99.9%由机器完成,彻底改变了全球生产力格局。当前认知工作正经历相同曲线:百年前99%由人类完成,未来99.9%将由机器完成。工业时代的煤炭、钢铁和贝塞麦炼钢法,对应着今日的电力、算力芯片(如英伟达、台积电)与Transformer架构。全球约120万亿美元的经济总量中,认知领域正以远超物理机械化时代的速度迅速展开。 成本崩溃与杰文斯悖论:被解锁的无限认知需求 每瓦智能的成本正以每年超过10倍的速度下滑。类似19世纪蒸汽机效率提高反而刺激英国煤炭消费总量剧增的“杰文斯悖论”,认知成本趋近于零时,人类对思考的需求将爆发式扩张。过去受制于高昂成本而未能充分分析的复杂课题——如长尾疾病研究、基层商业分析、医生详尽审阅病例等——都将得以投入充足的算力支持,使得每一个假设或奇思妙想都能匹配专属的机器研究团队。 劳动力演进与转型阵痛:珍妮纺纱机与恩格斯停顿 当前的AI辅助编程如同当年的珍妮纺纱机,技术改变了熟练技工的作业模式,使其从执行者转变为监督与审核者。尽管农业机械化曾将美国农业人口占比从75%压至1%,但催生了软件工程、播客制作等全新职业,就业总量反创新高。然而宏观的胜利伴随着个体阵痛:如同1780至1840年间英国生产率上升46%而实际工资仅增12%的“恩格斯停顿”,纺织工人的损失延续了一代人。本次革命最大的挑战在于转型窗口被压缩至数年,对传统教育与社会保障缓冲机制提出紧迫考验。 重塑教育、医疗与日常生活结构 工业时代催生了以钟声、分班和流水线考核为特征的工厂化教育,而AI一对一辅导正打破师生比例限制,提供极低成本的自适应教学。在医疗领域,算力突破如AlphaFold攻克了原本耗费毕生精力的蛋白质预测,使得海量罕见病研究具备经济可行性,推动医疗由被动治疗走向主动预防。此外,工业化带来的固定打卡班次和职住分离现象也将逆转,工作正逐渐回归家庭与异步节奏。 机器时代的本质:人类角色的最终锚点 类比深蓝与AlphaGo战胜棋手后象棋与围棋普及度和人类棋手创造力不降反升,机器认知并不会消灭人类思考。针对“机器首次取代独特人类特征”的论调,作者反驳称自然界中动物亦有思考,且钻木取火、长途飞行早已被机器接管。人类最长久保留的经济与社会价值并非纯粹认知运算,而是主观愿望、权衡决策、承担责任以及人与人之间的信任;正如机器可以起草条约,但最终签署条约并为之负责的永远是人。

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Most mornings I ride to work in a Waymo. The car is doing physical work: five thousand pounds of metal and glass moving across the San Francisco Bay Area. The car is also doing cognitive work: reading the road and making predictions that result in 17x fewer serious-injury crashes than human drivers. The experience asks nothing of my muscles and nothing of my mind. Both have been externalized. This one ride encapsulates two revolutions. The physical one is 200 years old. The cognitive one has barely started. It seems the mood around that second revolution is a cocktail of optimism, skepticism and anxiety. Talk of a singularity. Recursive self-improvement. Trillion-dollar clusters. Superintelligence. Unemployment. Social disruption. A race between superpowers. It’s dizzying. My view is far from dizzying. I think we have already undergone a transition that rhymes with the AI revolution in the coming decades: the Industrial Revolution. We can bifurcate work into physical work and cognitive work. Most valuable tasks necessitate both. Agriculture is one of the oldest examples. Working the land took muscle, ours and our animals', for ten thousand years. It also took insight: reading the seasons, observing which seed produced which yield, etc. The two kinds of work are different. Physical work is force times distance: moving mass through space. Cognitive work is thinking. But both are scarce, have a price, and get applied to a task somebody wants done. In both cases when price collapses, supply floods in. In most cases, demand expands to meet supply. For most of history, nearly all physical work done for humans was done by muscle, ours and animals. The chart above goes flat before the 1700s, and the flat part runs back as far as we do. In the late 1700s and early 1800s things started to change. First steam, then combustion and the electric motor. Each wave took a larger share of the world's physical work. *Over the course of about two centuries, physical work went from 99% biological to 99.9% machine.*  Today the results are everywhere. The screen you’re reading this on. Nearly every article of clothing you’re wearing. The plane that carried you on your last trip. The lattice of ships, trains and trucks behind every ordinary product in modern life. Human muscle is a rounding error in the global energy budget. For most of history, essentially all cognitive work was done by humans (plus a small assist from animals like the sheepdog). On top of that sat a thin mechanical sliver: tools that computed a little, like the clock or Pascal's mechanical calculator. Then came electronic computation. Inside a century, it spread from simple calculations and spreadsheets to trillions then quadrillions of operations running 24 hours per day. Navigating your commute, processing payroll, pricing your insurance…this is all cognitive work done by machines. The next wave is neural networks. This wave drastically expands the types of cognitive work machines can do. Just as combustion engines magnified the scope of the Industrial Revolution, neural networks are set to accelerate the Cognitive Revolution. **A century ago, 99% of cognitive work was done by humans. In the near future, 99.9% will be done by machines.** Not because humans will think less, but because machines will compute much much more. The parallel in the two curves is stark. The Cognitive Revolution will look a lot like the Industrial Revolution. But it will be bigger and much faster. Divide the global economy by the nature of work, and cognitive and physical work could split a \~$120 trillion world economy roughly equally. The physical half has been mechanizing for 200 years. The cognitive half has barely started. So what actually happens in a revolution like this? Let’s run it back. The industrial age required massively scaling up input commodities: first coal and iron, then oil and steel. Iron was made by a process known as puddling. Steel was made by a process called the Bessemer process. The parallel is clear: electricity and compute. The “process” here are algorithms like the Transformer. The providers of those components were the titans of their era. Carnegie and U.S. Steel, Rockefeller and Standard Oil. Process designers like Henry Bessemer. The modern equivalents are Jensen Huang's NVIDIA, Morris Chang’s TSMC, authors of the Transformer paper, founders of the great Model Labs and the hyperscalers pouring trillions into data centers. Nations that once measured power in refining capacity will measure it in grid capacity and intelligence output. A unit of mechanical work in 1900 cost a small fraction of what it cost in 1800. That collapse in price made mass production possible, and made the revolution universal rather than a curiosity for the rich. The cost of cognition is collapsing faster. Intelligence per Watt has been falling more than 10x per year. With price decline, customers will buy wildly, absurdly more intelligence. Nobody in 1800 flew to Tokyo, shipped strawberries across a hemisphere in January, or air-conditioned Phoenix. All these are physical processes that either were impossible or impractically expensive. Demand for physical work exploded once new technologies were invented and price collapsed. William Jevons identified the phenomenon in 1865: more efficient engines did not reduce Britain's coal consumption. They multiplied it. Cognition will follow the same pattern, and here the latent demand is almost unbounded in scale. Most problems on Earth currently go un-thought-about, because thinking is expensive. A doctor has limited time and doesn’t review the latest literature. A radiologist studies a scan for minutes instead of hours. A small business owner has no budget for a financial analyst. When cognition costs approach zero, every curiosity can get a research team. The amount of thinking done by machines will grow by orders of magnitude. Which raises the question, what will all that thinking be spent on? The primal application of the Industrial Revolution was spinning textiles. Spinning and weaving were skilled work. Textile makers were respected in your society: years of apprenticeship, a craft guild, a trade the family had held for generations. In 1764, James Hargreaves built the Spinning Jenny, which let one person spin eight threads at once, and later eighty. Clothing prices fell rapidly and global clothing consumption exploded. The big change was the human moving from performing the task to supervising it. One person tending a frame produced what a room of hand-spinners once had. The primal skilled application of this era is AI coding. Writing software is our era's elite craft: highly skilled, highly paid, a decade to master. And it is the first cognitive task where the pattern has fully flipped. The machine now completes most of the work, and the engineer's job is to direct, review and correct it. It’s no accident that this is where the Cognitive Revolution found its first commercial traction. While textiles kicked off the industrial revolution, they did not define it. The ultimate innovation of the industrial revolution was the automobile: a civilization grew around it, including suburbs, highways, supply chains, and the entire geography of modern life. Coding agents are our Spinning Jennies: the first act, automating a skilled cognitive task. The automobile of this revolution has probably not been built yet. It will be something that was impossible while thinking was scarce. My candidates: science conducted at machine speed, the personal agent that serves your life the way a chief of staff organizes a CEO's, or something in how humans connect and coordinate. In 1800, the automobile would have been hard to predict. In 1800, over 75% of American workers worked the land. Machines came for that work. Today, farming is about 1% of U.S. employment. By the pessimists' arithmetic, over 74% of the country should be unemployed. Instead we invented work no farmer in 1800 could have named. Radiologist. Software engineer. Podcast producer. Flight attendant. The machines did not end labor. They eliminated categories of work and expanded the total amount of it. There are more people employed today than at any point in human history, and they are vastly richer than their ancestors. All of my ancestors worked in agriculture 100 years ago. I knew all four of my grandparents, all of whom were born to farming families. None of them finished their lives in agriculture. All of them considered the non-agricultural work they did at the end of their lives more pleasant and prosperous than the hard agricultural work their families had done for generations. The same is taking shape in the Cognitive revolution. Despite the “spinning Jenny” phenomena in AI coding, data [supports](https://x.com/Konstantine/status/2050317573649289351) that demand for software engineers, the most AI exposed occupation was accelerating higher, has inflected. In the coming week, we plan to share data supporting inflections in hiring in other areas being transformed by AI, including Legal Services and Financial Services. Machines doing cognitive work will not mean humans stop doing cognitive work any more than the tractor meant humans stopped doing physical things. The specific tasks change. The junior analyst who builds the model by hand becomes the person directing a hundred models. Further, categories of work we cannot currently name will grow the way "engineer" became a job following the invention of the engine during the Industrial Revolution. Like in the industrial revolution, the aggregate story will be triumphant. But, the individual story will frequently not be. The handloom weavers of Lancashire were not retrained into locomotive engineers. Many of them simply lost, and their losses spanned a generation. The economic historian Robert Allen gave the period a name: Engels' pause. Between 1780 and 1840, British output per worker rose 46%. Real wages rose 12%. Luddites were not wrong about their own lives, but about their children’s and grandchildren's. Between 1840 and 1900, British output per worker rose 90% and real wages rose 123%. Wages caught up to productivity, and then outran it. A pause is not a foregone conclusion. Mark Zuckerberg : “There is no rule that AI must increase automation faster than it increases individuals' capabilities or demand for new skills.” Humanity’s demand for new skills, for better and worse, will be insatiable. The difference this time is speed. The Industrial Revolution gave a farmhand's son forty years to become a factory hand. This revolution may offer five. Society's shock absorbers, like education, retraining, and safety nets, were designed for the old clock. The central policy question of the next two decades is whether we can help humans transform as fast as the jobs do. The Industrial Revolution created the modern education system, in at least two ways. First, it made mass education *possible*. When most of humanity had to work the fields, children were labor. Machines taking over the physical work is what freed children to sit in classrooms and freed societies to fund them. The modern university exists because society no longer needed every able body in the field, and could redirect a civilization's youth toward cognitive skill-building instead. Second, and less flatteringly, it shaped what education *became*. The factory needed workers who could read instructions, do arithmetic, show up on time and perform standardized tasks in synchronized shifts. So we built schools that look suspiciously like factories: Bells. Rows. Fixed schedules. Batch processing by age. Standardized outputs. Mass education was, in large part, industrial job training. The Cognitive Revolution upends both of these dynamics. If machines do the cognition, the factory-model school is the equivalent of training for hand-spinning. But the deeper change is on the delivery side. For all of history, the binding constraint on education was the ratio of teachers to students. Benjamin Bloom quantified the cost of that constraint in 1984: the average student tutored one-to-one with mastery learning outperformed 98% of students in a conventional classroom. That constraint is dissolving. The marginal cost of an infinitely patient, endlessly knowledgeable tutor is approaching zero. [Hybrid human-AI tutors](https://www.edtechinnovationhub.com/news/stanford-ai-tutoring-human-tutors) are found to be more effective and less costly than traditional education. Further, new hybrid AI approaches could help spread education in parts of the world where public education has been prohibitively expensive. Modern medicine was also built by the industrial revolution. Mass production gave us penicillin at scale, refrigeration that made vaccines deliverable, and the chemical industry that spawned the pharmaceutical industry. The Cognitive Revolution pushes this much further. Drug discovery is a search across a space too large for humans to comprehend, which is exactly the work that scales best when cognition gets cheap. By predicting structures for virtually every known protein, AlphaFold solved a challenge where even minor breakthroughs previously demanded entire lifelong careers.Thousands of diseases currently have no treatment, not because they are unsolvable but because the cost of investigating each was never justified by the number of patients. When that cost collapses, the long tail becomes addressable the way every other latent demand does. Curing disease has been the ambition of every generation of physicians. This is the first generation where the binding constraint is no longer how many of them there are. Then there are the doctors in clinical practice. We face a massive shortage of physicians both in the United States and globally, with demand far exceeding supply. This issue is deeply personal to me, as I have long seen healthcare workers in my family stretched thin attempting to meet patient needs. Cheaper, accessible cognitive tools will not lead to doctors taking time off; instead, they will allow more patients to receive higher-quality care. Given the virtually limitless demand for better healthcare, scalable intelligence can help shift our medical model from reactive treatment to proactive care. **The Shape of Daily Life** Beyond work and school, the Industrial Revolution changed the texture of ordinary life so thoroughly that we now mistake its artifacts for human nature. The Cognitive Revolution will change them once again. **Clock time.** Before factories, rural work followed seasons and sunlight. But a factory owner needed hundreds of people to start and stop simultaneously. The machine ran on a schedule, so the humans had to. Rigid shifts, the workday, the work week, modern timekeeping itself: these are industrial inventions, barely two centuries old. The Cognitive Revolution loosens their grip. When your machine colleagues work continuously and asynchronously, there is no reason for a hundred humans to think in unison from nine to five. Work drifts back toward task rhythms rather than clock rhythms. **Home and Work.** Work happened in and around the home for most of human history: the farm, the cottage workshop, the family trade. Industrialization pulled the workplace out of domestic space because the work had to happen where the machine was. The daily commute is the residue of that separation. The Cognitive Revolution reverses it, because the machine now lives everywhere and one of the most powerful tools in history fits in your pocket. Home and work are recombining. **Global trade and power.** Industrial nations imported raw materials and exported finished goods, an asymmetry that drove imperialism. The new raw materials are energy, compute and algorithms. The finished good is intelligence. The last time this asymmetry appeared, it defined a century of international order and disorder: the same industrial base that laid rail and poured steel also eventually created atomic bombs. Intelligence will be dual-use in the same way, and faster. The Industrial Revolution lifted humanity, but its safeguards arrived late. This time we should try to be earlier. Follow the thread and you eventually arrive at the real question underneath the anxiety about AI: If the machines do the thinking, what are we for? The last revolution already answered the physical version. At the end of the Industrial Revolution, humans did not stop moving their bodies. We remained embodied creatures. Proportionally, fewer of us work intense physical jobs. However, far more of us move for sport and purpose: we run marathons, climb mountains, and pay for the privilege of holding yoga poses in uncomfortably hot rooms. Along the way, we created sports-leagues and even the modern Olympics were the result of the Industrial Revolution. Cognition will make the same migration. Chess is a clean example. Deep Blue beat Garry Kasparov in 1997 and Kasparov later half-jokingly described himself as the first knowledge worker whose job was threatened by a machine. Chess did not die. More people play it today than at any point in history. When AlphaGo beat Lee Sedol, researchers found that the novelty of moves played by human Go professionals increased significantly afterward. Superhuman machines made human play more creative, not less. The “centaur” era of machine-human collaboration was brief, but the human era never ended. Critics of this essay will argue that “this time is different.” Specifically, they will point out that humans were the smartest animals on earth and that this is the first time something uniquely human is displaced by a machine. That is incorrect. It is incorrect for at least two reasons. First, thinking is not uniquely human. Animals think. Even nature follows complex and “intelligent” patterns. Second, there are many uniquely human skills that machines exceed already. For example, making fire is strictly a human skill…and now your stove does it with the press of a button. Same with writing and transferring information (the internet). Same with making tools (us and chimpanzees), but now machines make most of our tools. And then Einstein reinvented it completely-- humans making a comeback -- with a new human thought experiment that was needed to accurately plot the orbit of Mercury! Flight was a super-human task until airplanes made it accessible. This time is different, but not *that* different. What stays economically human the longest is what was never really cognition to begin with: wanting things, choosing between them, being accountable for the choice, and being trusted by other people. The machine can draft the treaty. Someone still has to sign it. Over 2500 years ago, Greek philosopher Protagaros wrote "Man is the measure of all things." Indeed, value as we experience it is in what we offer to other people. Stand far enough back and this is all one story. For all of history, humans did the work: with our muscles and with our minds. Twice, we built machines that took the work and externalized it to machines. The first time, we were terrified, and the fear was short-term justified and long-term wrong. The world after the machines took most of the physical work was profoundly more abundant, healthy and humane. The same trade is on the table now, at greater scale and higher speed. The Cognitive Revolution will be turbulent, unevenly distributed, and deeply uncomfortable . And, it will end the way the last one did: with the world unrecognizably better, its results so completely woven into daily life that our grandchildren will live inside them. We have made this trip before.This time, we can navigate it with our eyes open: shaping the transition calmly, sharing the prosperity, and remembering that the goal of externalizing our minds is ultimately to elevate our humanity.