Someone I respect once told me, “I have never heard an uninteresting thought come out of Kevin Kelly’s mouth.” Shortly thereafter, I dove into Kevin’s latest book What Technology Wants with heightened attention and expectation. I was not disappointed. There were interesting bits on nearly every page about the evolution of technology and the relationship between humans, technology, and society.

After learning a lot about our networked brains and the living organism that is technology, paragraphs like the following may induce goosebumps.

In addition to holding spiritual retreats in redwood groves, we may surrender ourselves in the labyrinths of a 200-year-old network. The intricate, unfathomable layers of logic built up over a century, borrowed from rainforest ecosystems, and woven together into beauty by millions of active synthetic minds will say what redwoods say, only louder, more convincingly: “Long before you were here, I am.”

Highly recommended for your “long, slow read” pile. Some of my highlights from the Kindle edition below.

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Each new invention requires the viability of previous inventions to keep going. There is no communication between machines without extruded copper nerves of electricity. There is no electricity without mining veins of coal or uranium, or damming rivers, or even mining precious metals to make solar panels.

During the years I was puzzling over these questions, something strange happened to technology: The best of it was becoming incredibly disembodied. Fantastic stuff was getting smaller, using less material but doing more. Some of the best technology, such as software, didn’t have a material body at all. This development wasn’t new; any list of great inventions in history contains plenty that are rather wispy: the calendar, the alphabet, the compass, penicillin, double-entry accounting, the U.S. Constitution, the contraceptive pill, domestication of animals, zero, germ theory, lasers, electricity, the silicon chip, and so on. Most of these inventions wouldn’t hurt you if you dropped them on your toes. But now the process of disembodiment was speeding up. Scientists had come to a startling realization: However you define life, its essence does not reside in material forms like DNA, tissue, or flesh, but in the intangible organization of the energy and information contained in those material forms. And as technology was unveiled from its shroud of atoms, we could see that at its core, it, too, is about ideas and information. Both life and technology seem to be based on immaterial flows of information.

Even if we acknowledge that technology can exist in disembodied form, such as software, we tend not to include in this category paintings, literature, music, dance, poetry, and the arts in general. But we should. If a thousand lines of letters in UNIX qualifies as a technology (the computer code for a web page), then a thousand lines of letters in English (Hamlet) must qualify as well. They both can change our behavior, alter the course of events, or enable future inventions. A Shakespeare sonnet and a Bach fugue, then, are in the same category as Google’s search engine and the iPod: They are something useful produced by a mind.

what I consider to be the essential quality of the technium: this idea of a self-reinforcing system of creation. The qualities we hold dearest in the universe are all extremely slippery at the edges. Life, mind, consciousness, order, complexity, free will, and autonomy are all terms that have multiple, paradoxical, and inadequate definitions. No one can agree on exactly where life or mind or consciousness or autonomy begins and where it ends. The best we can agree on is that these states are not binary. They exist on a continuum.If humans are not fully autonomous, what is? An organism or system does not need to be wholly independent to exhibit some degree of autonomy. Like an infant of any species, it can acquire increasing degrees of independence, starting from a speck of autonomy. So how do you detect autonomy? Well, we might say that an entity is autonomous if it displays any of these traits: self-repair, self-defense, self-maintenance (securing energy, disposing of waste), self-control of goals, self-improvement. The common element in all these characteristics is of course the emergence, at some level, of a self. In the technium we don’t have any examples of a system that displays all these traits—but we have plenty of examples that display some of them. Autonomous airplane drones can self-steer and stay aloft for hours.

We created the technium, so we tend to assign ourselves exclusive influence over it. But we have been slow to learn that systems—all systems—generate their own momentum. Because the technium is an outgrowth of the human mind, it is also an outgrowth of life, and by extension it is also an outgrowth of the physical and chemical self-organization that first led to life.

All technology, the chimp’s termite-fishing spear and the human’s fishing spear, the beaver’s dam and the human’s dam, the warbler’s hanging basket and the human’s hanging basket, the leaf-cutter ant’s garden and the human’s garden, are all fundamentally natural. We tend to isolate manufactured technology from nature, even to the point of thinking of it as antinature, only because it has grown to rival the impact and power of its home. But in its origins and fundamentals, a tool is as natural as our life. Humans are animals—no argument. But humans are also not-animals—no argument. This contradictory nature is at the core of our identity. Likewise, technology is unnatural—by definition. And technology is natural—by a wider definition. This contradiction is also core to human identity.

Fewer than 1,500 generations after their “great leap forward” in Africa, Homo sapiens had become the most widely distributed species in Earth’s history, inhabiting every type of biome and every watershed on the planet. Sapiens were the most invasive alien species ever. Today the breadth of Sapiens occupation exceeds that of any other macrospecies we know of; no other visible species occupies more niches, geographical and biological, than Homo sapiens. Sapiens’ overtake was always rapid. Jared Diamond notes that “after the ancestors of the Maori reached New Zealand,” carrying only a few tools, “it apparently took them barely a century to discover all worthwhile stone sources; only a few more centuries to kill every last moa in some of the world’s most rugged terrain.” This sudden global expansion following millennia of steady sustainability was due to only one thing: technological innovation.

Daniel Dennett crows in elegant language: “There is no step more uplifting, more momentous in the history of mind design, than the invention of language. When Homo sapiens became the beneficiary of this invention, the species stepped into a slingshot that has launched it far beyond all other earthly species.” The creation of language was the first singularity for humans. It changed everything. Life after language was unimaginable to those on the far side before it.Also, many women are extremely lean and active and, like lean, active women athletes in the West, often have irregular or no menstruation.We are not the same folks who marched out of Africa. Our genes have coevolved with our inventions. In the past 10,000 years alone, in fact, our genes have evolved 100 times faster than the average rate for the previous 6 million years. This should not be a surprise. As we domesticated the dog (in all its breeds) from wolves and bred cows and corn and more from their unrecognizable ancestors, we, too, have been domesticated. We have domesticated ourselves. Our teeth continue to shrink (because of cooking, our external stomach), our muscles thin out, our hair disappears. Technology has domesticated us. As fast as we remake our tools, we remake ourselves. We are coevolving with our technology, and so we have become deeply dependent on it.

Historian Lynn White notes, “Few inventions have been so simple as the stirrup, but few have had so catalytic an influence on history.” In White’s view, the adoption of the lowly foot stirrup for horse saddles enabled riders to use weapons on horseback, which gave an advantage to the cavalry over infantry and to the lords who could afford horses, and so nurtured the rise of aristocratic feudalism in Europe.

Yet ideas never stand alone. They come woven in a web of auxiliary ideas, consequential notions, supporting concepts, foundational assumptions, side effects, and logical consequences and a cascade of subsequent possibilities. Ideas fly in flocks. To hold one idea in mind means to hold a cloud of them.

The effort to maintain difference against the pull of entropy creates the spectacle of nature. A predator such as an eagle sits atop a pyramid of entropic waste: In one year 1 eagle eats 100 trout, which eat 10,000 grasshoppers, which eat 1 million blades of grass. Thus it takes, indirectly, 1 million blades of grass to support 1 eagle. But this pile of 1 million blades far outweighs the eagle. This bloated inefficiency is due to entropy. Each movement in an animal’s life wastes a small bit of heat (entropy), which means every predator catches less energy than the total energy the prey consumed, and this shortfall is multiplied by each action for all time. The circle of life is kept going only by the constant replenishment of sunlight showering the grass with new energy.

The powers of our minds can be only slightly increased by mindful self-reflection; thinking about thoughts will only make us marginally smarter. The power of the technium, however, can be increased indefinitely by reflecting its transforming nature upon itself. New technologies constantly make it easier to invent better technologies; we can’t say the same about human brains. In this unbounded technological amplification, the immaterial organization of the technium has now become the most dominant force in this part of the universe.

I think the balance settles out at higher than 50 percent positive, even if it is only slightly higher. As Rabbi Zalman Schachter-Shalomi once said, “There is more good than evil in the world—but not by much.” Unexpectedly, “not much” is all that’s needed when you have the leverage of compound interest at work—which is what the technium is.

worldwide, affluence brings increased satisfaction. Higher income earners are happier. Citizens in higher-earning countries tend to be more satisfied on average. My interpretation of this newest research—which also matches our intuitive impressions—is that what money brings is increased choices, rather than merely increased stuff (although more stuff comes with the territory). We don’t find happiness in more gadgets and experiences. We do find happiness in having some control of our time and work, a chance for real leisure, in the escape from the uncertainties of war, poverty, and corruption, and in a chance to pursue individual freedoms—all of which come with increased affluence.

One UN report found that households in the older slums of Bangkok have on average 1.6 televisions, 1.5 cell phones, and a refrigerator; two-thirds have a washing machine and CD player; and half have a fixed-line phone, a video player, and a motor scooter.

As Suketu Mehta, author of Maximum City (about Mumbai), says, “Why would anyone leave a brick house in the village with its two mango trees and its view of small hills in the East to come here?” Then he answers: “So that someday the eldest son can buy two rooms in Mira Road, at the northern edges of the city. And the younger one can move beyond that, to New Jersey. Discomfort is an investment.”

Historian Niall Ferguson believes that on the global scale, the origins of progress lie only in expanding population. According to this theory, in order to elevate populations beyond Malthusian limits you need science, yet it is the increase in the number of humans that ultimately drives science, and then prosperity. In this virtuous circle more human minds invent more things and in turn buy more inventions, including tools, techniques, and methods that will support more humans. Therefore, more human minds equal more progress. The economist Julian Simon called human minds “the ultimate resource.” In his calculation, more minds were the prime source of deep progress.

If the origins of prosperity lie solely in growth of the human population, then progress will paradoxically temper itself in the coming century.

We don’t go on as we are. We address the problems of tomorrow not with today’s tools but with the tools of tomorrow. This is what we call progress.

I prefer how biologist Simon Conway Morris puts it: “Progress is not some noxious by-product of the terminally optimistic, but simply part of our reality.”

But a hundred, or a thousand, cases of isolated significant convergent evolution suggest something else at work. Some other force pushes the self-organization of evolution toward recurring solutions. A different dynamic besides the lottery of natural selection steers the course of evolution so that it can reach an unlikely remote destination more than once. It is not a supernatural force but a fundamental dynamic as simple at its core as evolution itself. And it is the same force that funnels convergence in technology and culture. Evolution is driven toward certain recurring and inevitable forms by two pressures: 1. The negative constraints cast by the laws of geometry and physics, which limit the scope of life’s possibilities. 2. The positive constraints produced by the self-organizing complexity of interlinked genes and metabolic pathways, which generate a few repeating new possibilities.

Humanity is a process. Always was, always will be. Every living organism is on its way to becoming. And the human organism even more so, because among all living beings (that we know about) we are the most open-ended.

But Isaacson, a celebrator of Einstein’s special genius for the improbable insights of relativity, admits that “someone else would have come up with it, but not for at least ten years or more.” So the greatest iconic genius of the human race is able to leap ahead of the inevitable by maybe 10 years. For the rest of humanity, the inevitable happens on schedule. The technium’s trajectory is more fixed in certain realms than in others. Based on the data, “mathematics has more apparent inevitability than the physical sciences,” wrote Simonton, “and technological endeavors appear the most determined of all.”

A recent example: The first digital cameras had very rough picture resolution. Then scientists began cramming more and more pixels onto one sensor to increase photo quality. Before they knew it, the number of pixels possible per array was on an exponential curve, heading into megapixel territory and beyond. The rising megapixel count became the chief selling point for new cameras. But after a decade of acceleration, consumers shrugged off the increasing number of pixels because the current resolution was sufficient. Their concern instead shifted to the speed of the pixel sensors or the response in low light—things no one had cared about before. So a new metric is born, and a new curve started, and the exponential curve of ever more pixels per array will gradually abate.

But on average, digital technologies will roughly double in performance every two years for the foreseeable future. That means our most culturally important devices and systems will get faster, cheaper, better by 50 percent every year. Imagine if you got half again smarter every year or could remember 50 percent more this year than last. Embedded deep in the technium (as we now know it) is the remarkable capacity of half-again annual improvement.

Who you are is determined in part by your genes. Every single day scientists identify new genes that code for a particular trait in humans, revealing the ways in which inherited “software” drives your body and brain. We now know that behaviors such as addiction, ambition, risk-taking, shyness, and many others have strong genetic components. At the same time, “who you are” is clearly determined by your environment and upbringing. Every day science uncovers more evidence of the ways in which our family, peers, and cultural background shape our being. The strength of what others believe about us is enormous. And more recently we have increasing proof that environmental factors can influence genes, so that these two factors are cofactors in the strongest sense of the word—they determine each other. Your environment (like what you eat) can affect your genetic code, and your code will steer you into certain environments—making untangling the two influences a conundrum. Last, who you are in the richest sense of the word—your character, your spirit, what you do with your life—is determined by what you choose. An awful lot of the shape of your life is given to you and is beyond your control, but your freedom to choose within those givens is huge and significant. The course of your life within the constraints of your genes and environment is up to you. You decide whether to speak the truth at any trial, even if you have a genetic or familial propensity to lie. You decide whether or not to risk befriending a stranger, no matter your genetic or cultural bias toward shyness. You decide beyond your inherent tendencies or conditioning. Your freedom is far from total. It is not your choice alone whether to be the fastest runner in the world (your genetics and upbringing play a large role), but you can choose to be faster than you have been. Your inheritance and education at home and school set the outer boundaries of how smart or generous or sneaky you can be, but you choose whether you will be smarter, more generous, or sneakier today than yesterday. You may inhabit a body and brain that wants to be lazy or sloppy or imaginative, but you choose to what degree those qualities progress (even if you aren’t inherently decisive). Curiously, this freely chosen aspect of ourselves is what other people remember about us. How we handle life’s cascade of real choices within the larger cages of our birth and background is what makes us who we are. It is what people talk about when we are gone. Not the given, but the choices we made.

Roads throughout the vast Roman Empire were built to this specification. When the legions of Rome marched into Britain, they constructed long-distance imperial roads 4’ 8.5” wide. When the English started building tramways, they used the same width so the same horse carriages could be used. And when they started building railways with horseless carriages, naturally the rails were 4’ 8.5” wide. Imported laborers from the British Isles built the first railways in the Americas using the same tools and jigs they were used to. Fast-forward to the U.S. space shuttle, which is built in parts around the country and assembled in Florida. Because the two large solid-fuel rocket engines on the side of the launch shuttle were sent by railroad from Utah, and that line traversed a tunnel not much wider than the standard track, the rockets themselves could not be much wider in diameter than 4’ 8.5”. As one wag concluded: “So, a major design feature of what is arguably the world’s most advanced transportation system was determined over two thousand years ago by the width of two horses’ arse.”

Like personality, technology is shaped by a triad of forces. The primary driver is preordained development—what technology wants. The second driver is the influence of technological history, the gravity of the past, as in the way the size of a horse’s yoke determines the size of a space rocket. The third force is society’s collective free will in shaping the technium, or our choices.

In Nonzero, author Robert Wright offers a wonderful analogy for understanding the role of the inevitable as applied to technology, which I paraphrase here. It’s appropriate, Wright says, to claim that the destiny of a tiny seed, say, a poppy seed, is to grow into a plant. Flower yields seed, seed sprouts plant, according to an eternal fixed routine burned in by a billion years of flowers. Sprouting is what seeds do. In that fundamental sense, it is inevitable that a poppy seed becomes a plant, even though a fair number of poppy seeds wind up on bagels. We don’t require that 100 percent of seeds arrive at their next stage to acknowledge the inexorable direction of the poppy’s growth because we know that inside the poppy seed is a DNA program. The seed “wants” to be a plant. More precisely, the poppy seed is designed to grow stems, leaves, and flowers of a precise type. We regard the destiny of the seed less as the statistical probability of how many complete the journey, and more as a matter of what it is designed for. To claim that the technium pushes itself through certain inevitable technological forms is not to say that every technology was a mathematical certainty. Rather, it indicates a direction more than a destiny. More precisely, the technium’s long-term trends reveal the design of the technium; this design indicates what the technium is built to do.

David Nye, a historian of technology, adds to the list of inventions envisioned as abolishing war once and for all and ushering in universal peace the torpedo, the hot-air balloon, poison gas, land mines, missiles, and laser guns. Nye says, “Each new form of communication, from the telegraph and telephone to radio, film, television and the internet, has been heralded as the guarantor of free speech and the unfettered movement of ideas.”

We do the same with unknown technologies, too, just not as well. And most of the time, after we’ve weighed downsides and upsides in the balance of our experience, we find that technology offers a greater benefit, but not by much. In other words, we freely choose to embrace it—and pay the price.

I believe these two different routes for technological lifestyle—either optimizing contentment or optimizing choices—come down to very different ideas of what humans are to be.

“Technology,” Kay says, “is anything that was invented after you were born.”

We make prediction more difficult because our immediate tendency is to imagine the new thing doing an old job better. That’s why the first cars were called “horseless carriages.” The first movies were simply straightforward documentary films of theatrical plays. It took a while to realize the full dimensions of cinema photography as its own new medium that could achieve new things, reveal new perspectives, do new jobs. We are stuck in the same blindness. We imagine e-books today as being regular books that appear on electronic paper instead of as radically powerful threads of text woven into the one shared universal library. We think genetic testing is like blood testing, something you do once in your life to get an unchanging score, when sequencing our genes may instead become something we do hourly as our genes mutate, shift, and interact with our environment.

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