Read Homo Deus: A Brief History of Tomorrow Online
Authors: Yuval Noah Harari
In the high days of European imperialism, conquistadors and merchants bought entire islands and countries in exchange for coloured beads. In the twenty-first century our personal data is probably the most valuable resource most humans still have to offer, and we are giving it to the tech giants in exchange for email services and funny cat videos.
From Oracle to Sovereign
Once Google, Facebook and other algorithms become all-knowing oracles, they may well evolve into agents and finally into sovereigns.
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To understand this trajectory, consider the case of Waze – a GPS-based navigational application which many drivers use nowadays. Waze isn’t just a map. Its millions of users constantly update it about traffic jams, car accidents and police cars. Hence Waze knows to divert you away from heavy traffic, and bring you to your destination through the quickest possible route. When you reach a junction and your gut instinct tells you to turn right, but Waze instructs you to turn left, users sooner or later learn that they had better listen to Waze rather than to their feelings.
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At first sight it seems that the Waze algorithm serves us only as an oracle. We ask a question, the oracle replies, but it is up to us to make a decision. If the oracle wins our trust, however, the next logical step is to turn it into an agent. We give the algorithm only a final aim, and it acts to realise that aim without our supervision. In the case of Waze, this may happen when we connect Waze to a self-driving car, and tell Waze ‘take the fastest route home’ or ‘take the most scenic route’ or ‘take the route which will result in the
minimum amount of pollution’. We call the shots, but leave it to Waze to execute our commands.
Finally, Waze might become sovereign. Having so much power in its hands, and knowing far more than we know, it may start manipulating us, shaping our desires and making our decisions for us. For example, suppose because Waze is so good, everybody starts using it. And suppose there is a traffic jam on route no. 1, while the alternative route no. 2 is relatively open. If Waze simply lets everybody know that, then all drivers will rush to route no. 2, and it too will be clogged. When everybody uses the same oracle, and everybody believes the oracle, the oracle turns into a sovereign. So Waze must think for us. Maybe it will inform only half the drivers that route no. 2 is open, while keeping this information secret from the other half. Thereby pressure will ease on route no. 1 without blocking route no. 2.
Microsoft is developing a far more sophisticated system called Cortana, named after an AI character in their popular
Halo
video-game series. Cortana is an AI personal assistant which Microsoft hopes to include as an integral feature of future versions of Windows. Users will be encouraged to allow Cortana access to all their files, emails and applications, so that it will get to know them, and can offer its advice on myriad matters, as well as becoming a virtual agent representing the user’s interests. Cortana could remind you to buy something for your wife’s birthday, select the present, reserve a table at the restaurant and prompt you to take your medicine an hour before dinner. It could alert you that if you don’t stop reading now, you will be late for an important business meeting. As you are about to enter the meeting, Cortana will warn that your blood pressure is too high and your dopamine level too low, and based on past statistics, you tend to make serious business mistakes in such circumstances. So you had better keep things tentative and avoid committing yourself or signing any deals.
Once Cortanas evolve from oracles to agents, they might start speaking directly with one another, on their masters’ behalf. It can begin innocently enough, with my Cortana contacting your
Cortana to agree on a place and time for a meeting. Next thing I know, a potential employer tells me not to bother sending a CV, but simply allow his Cortana to grill my Cortana. Or my Cortana may be approached by the Cortana of a potential lover, and the two will compare notes to decide whether it’s a good match – completely unbeknown to their human owners.
As Cortanas gain authority, they may begin manipulating each other to further the interests of their masters, so that success in the job market or the marriage market may increasingly depend on the quality of your Cortana. Rich people owning the most up-to-date Cortana will have a decisive advantage over poor people with their older versions.
But the murkiest issue of all concerns the identity of Cortana’s master. As we have seen, humans are not individuals, and they don’t have a single unified self. Whose interests, then, should Cortana serve? Suppose my narrating self makes a New Year resolution to start a diet and go to the gym every day. A week later, when it is time to go to the gym, the experiencing self asks Cortana to turn on the TV and order pizza. What should Cortana do? Should it obey the experiencing self, or the resolution taken a week ago by the narrating self?
You may well ask whether Cortana is really different from an alarm clock, which the narrating self sets in the evening, in order to wake the experiencing self in time for work. But Cortana will have far more power over me than an alarm clock. The experiencing self can silence the alarm clock by pressing a button. In contrast, Cortana will know me so well that it will know exactly what inner buttons to push in order to make me follow its ‘advice’.
Microsoft’s Cortana is not alone in this game. Google Now and Apple’s Siri are headed in the same direction. Amazon too has algorithms that constantly study you and use their knowledge to recommend products. When I go to Amazon to buy a book, an ad pops up and tells me: ‘I know which books you liked in the past. People with similar tastes also tend to love this or that new book.’ Wonderful! There are millions of books in the world, and I can
never go over all of them, not to mention predicting accurately which ones I would like. How good that an algorithm knows me, and can give me recommendations based on my unique taste.
And this is just the beginning. Today in the US more people read digital books than printed volumes. Devices such as Amazon’s Kindle are able to collect data on their users while they are reading the book. For example, your Kindle can monitor which parts of the book you read fast, and which slow; on which page you took a break, and on which sentence you abandoned the book, never to pick it up again. (Better tell the author to rewrite that bit.) If Kindle is upgraded with face recognition and biometric sensors, it can know what made you laugh, what made you sad and what made you angry. Soon, books will read you while you are reading them. And whereas you quickly forget most of what you read, Amazon will never forget a thing. Such data will enable Amazon to evaluate the suitability of a book much better than ever before. It will also enable Amazon to know exactly who you are, and how to turn you on and off.
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Eventually, we may reach a point when it will be impossible to disconnect from this all-knowing network even for a moment. Disconnection will mean death. If medical hopes are realised, future people will incorporate into their bodies a host of biometric devices, bionic organs and nano-robots, which will monitor our health and defend us from infections, illnesses and damage. Yet these devices will have to be online 24/7, both in order to be updated with the latest medical news, and in order to protect them from the new plagues of cyberspace. Just as my home computer is constantly attacked by viruses, worms and Trojan horses, so will be my pacemaker, my hearing aid and my nanotech immune system. If I don’t update my body’s anti-virus program regularly, I will wake up one day to discover that the millions of nano-robots coursing through my veins are now controlled by a North Korean hacker.
The new technologies of the twenty-first century may thus reverse the humanist revolution, stripping humans of their
authority, and empowering non-human algorithms instead. If you are horrified by this direction, don’t blame the computer geeks. The responsibility actually lies with the biologists. It is crucial to realise that this entire trend is fuelled by biological insights more than by computer science. It is the life sciences that have concluded that organisms are algorithms. If this is not the case – if organisms function in an inherently different way to algorithms – then computers may work wonders in other fields, but they will not be able to understand us and direct our life, and they will certainly be incapable of merging with us. Yet once biologists concluded that organisms are algorithms, they dismantled the wall between the organic and inorganic, turned the computer revolution from a purely mechanical affair into a biological cataclysm, and shifted authority from individual humans to networked algorithms.
Some people are indeed horrified by this development, but the fact is that millions willingly embrace it. Already today many of us give up our privacy and our individuality, record our every action, conduct our lives online and become hysterical if connection to the net is interrupted even for a few minutes. The shifting of authority from humans to algorithms is happening all around us, not as a result of some momentous governmental decision, but due to a flood of mundane choices.
The result will not be an Orwellian police state. We always prepare ourselves for the previous enemy, even when we face an altogether new menace. Defenders of human individuality stand guard against the tyranny of the collective, without realising that human individuality is now threatened from the opposite direction. The individual will not be crushed by Big Brother; it will disintegrate from within. Today corporations and governments pay homage to my individuality, and promise to provide medicine, education and entertainment customised to my unique needs and wishes. But in order to so, corporations and governments first need to break me up into biochemical subsystems, monitor these subsystems with ubiquitous sensors and decipher their working with
powerful algorithms. In the process, the individual will transpire to be nothing but a religious fantasy. Reality will be a mesh of biochemical and electronic algorithms, without clear borders, and without individual hubs.
Upgrading Inequality
So far we have looked at two of the three practical threats to liberalism: firstly, that humans will lose their value completely; secondly, that humans will still be valuable collectively, but they will lose their individual authority, and will instead be managed by external algorithms. The system will still need you to compose symphonies, teach history or write computer code, but the system will know you better than you know yourself, and will therefore make most of the important decisions for you – and you will be perfectly happy with that. It won’t necessarily be a bad world; it will, however, be a post-liberal world.
The third threat to liberalism is that some people will remain both indispensable and undecipherable, but they will constitute a small and privileged elite of upgraded humans. These superhumans will enjoy unheard-of abilities and unprecedented creativity, which will allow them to go on making many of the most important decisions in the world. They will perform crucial services for the system, while the system could not understand and manage them. However, most humans will not be upgraded, and they will consequently become an inferior caste, dominated by both computer algorithms and the new superhumans.
Splitting humankind into biological castes will destroy the foundations of liberal ideology. Liberalism can coexist with socio-economic gaps. Indeed, since it favours liberty over equality, it takes such gaps for granted. However, liberalism still presupposes that all human beings have equal value and authority. From a liberal perspective, it is perfectly all right that one person is a billionaire living in a sumptuous chateau, whereas another is a poor peasant living in a straw hut. For according to liberalism,
the peasant’s unique experiences are still just as valuable as the billionaire’s. That’s why liberal authors write long novels about the experiences of poor peasants – and why even billionaires read such books avidly. If you go to see
Les Misérables
in Broadway or Covent Garden, you will find that good seats can cost hundreds of dollars, and the audience’s combined wealth probably runs into the billions, yet they still sympathise with Jean Valjean who served nineteen years in jail for stealing a loaf of bread to feed his starving nephews.
The same logic operates on election day, when the vote of the poor peasant counts for exactly the same as the billionaire’s. The liberal solution for social inequality is to give equal value to different human experiences, instead of trying to create the same experiences for everyone. However, what will be the fate of this solution once rich and poor are separated not merely by wealth, but also by real biological gaps?
In her
New York Times
article, Angelina Jolie referred to the high costs of genetic testing. At present, the test Jolie had taken costs $3,000 (which does not include the price of the actual mastectomy, the reconstruction surgery and related treatments). This in a world where 1 billion people earn less than $1 per day, and another 1.5 billion earn between $1 and $2 a day.
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Even if they work hard their entire life, they will never be able to finance a $3,000 genetic test. And the economic gaps are at present only increasing. As of early 2016, the sixty-two richest people in the world were worth as much as the poorest 3.6 billion people! Since the world’s population is about 7.2 billion, it means that these sixty-two billionaires together hold as much wealth as the entire bottom half of humankind.
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The cost of DNA testing is likely to go down with time, but expensive new procedures are constantly being pioneered. So while old treatments will gradually come within reach of the masses, the elites will always remain a couple of steps ahead. Throughout history the rich enjoyed many social and political advantages, but there was never a huge biological gap separating them from the poor. Medieval aristocrats claimed that superior blue blood was
flowing through their veins, and Hindu Brahmins insisted that they were naturally smarter than everyone else, but this was pure fiction. In the future, however, we may see real gaps in physical and cognitive abilities opening between an upgraded upper class and the rest of society.