Calum Chace's Blog, page 9
April 7, 2021
March 23, 2021
February 17, 2021
3rd editions, 2 books, 3 formats
I spent a lot of 2020 updating and expanding these two books, and the third editions of both both are now available in all three formats – kindle, paperback and audio.
Part One (AI Today), and Part Two (AI Tomorrow) are now common to both books, and they account for most of the updates to Surviving AI. Part Three of The Economic Singularity is also significantly updated and developed, to the extent that I have changed the book’s sub-title, which is now “Artificial Intelligence, and Fully Automated Luxury Capitalism”.
If you know anyone who hasn’t yet read these books, now would be a great time to encourage them.
August 24, 2020
August 18, 2020
June 22, 2020
June 5, 2020
Free: Review copies of “Pandora’s Oracle”
Once upon a time, in a galaxy far, far away, I wrote a novel called Pandora’s Brain.
I’ve just finished the sequel, Pandora’s Oracle, and review copies are available – free, gratis, and for nothing. Let me know if you would like a copy – PDF, or a MOBI file for your Kindle.
Pandora’s Brain was published in 2014. I wrote the first draft of a sequel the following year, but I wasn’t happy with it, so it sat alone inside a computer, un-read and un-loved. I went on to write a series of non-fiction books about AI. I decided I was probably a writer of non-fiction, and not of fiction.
About a year ago I was introduced to a writing coach. He was enormously helpful. He showed me how to structure a novel, and then worked with me painstakingly, chapter by chapter, line by line, as I completely re-wrote the book.
I think Pandora’s Oracle is now pretty damn good. I hope you will too.
Pandora’s Oracle is a sequel to Pandora’s Brain, but it works as a stand-alone novel. You don’t have to read Pandora’s Brain first. (Although if you haven’t, I hope you will.)
If you would like a free review copy of Pandora’s Oracle, just send your name and email address to cccalum at gmail dot com, and specify whether you would like a PDF copy or a MOBI file for your Kindle.
June 1, 2020
April 6, 2020
Ten lasting impacts of the virus
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We’re all wondering how to survive the virus: how to stay alive, and also solvent.
Assuming we manage that, what will be its lasting impacts?
1. Appreciation of exponentials
The rising death tolls in many countries has been shocking to watch. Many people are getting their first up-close-and-personal view of the astonishing power of exponential growth. We have seen it for decades in the dramatic growth of computing power described by Moore’s Law, but like the mythical boiling frog in the saucepan (it really is a myth: frogs are not that daft), we acclimatise to improvements on that timescale, and take them for granted.
Exponential growth accelerates, and it is going to transform our lives in amazing ways over the coming years. The more we all understand the rate of change that is coming, the better our chance of responding intelligently to the challenges it will pose.
2. A closer look at UBI
Proponents of Universal Basic Income argue that it is an idea whose time has come. And indeed, governments everywhere are unveiling radical packages of economic assistance to keep their citizens fed and housed, and to keep businesses afloat so that they can resume trading once the crisis is over.
But the flaws of UBI mean it is unlikely to be implemented anywhere during this crisis. People have different needs and liabilities, so an identical payment for everyone is inappropriate. And there is no point wasting funds on Mark Zuckerberg or Rupert Murdoch. We may well learn lessons from this nightmare which will serve us well if and when technological unemployment hoves into view – probably two or three decades from now. UBI is a genuine attempt to answer the question of how to keep everyone alive in that situation, but it is looking less and less like a silver bullet.
Instead, governments are exploring temporary measures to shore up and enhance their welfare systems, and to keep companies from laying off their staff. If we are smart, we will learn what works, and what does not. During our long journey towards technological unemployment, we will experience increased employment Churn, and the most successful measures deployed now will come in handy then.
3. More digital nomads
Entire populations are confined to their homes, but many organisations continue to function. People are working from home and millions of meetings are being held online. Apart from Netflix, the teleconferencing platform Zoom may be enjoying the biggest silver lining in this dark cloud. Many people are finding working and meeting remotely both efficient and congenial, saving both time and money. Not all meetings are best conducted online: conferences and festivals are being postponed rather than cancelled. But many of the people who find there is rarely any reason to be in the office may join the ranks of the digital nomads, using AirBnb and home exchanges to change location every few weeks, and see the world as they work.
4. Telemedicine and AI triage
Obtaining an appointment, travelling to the surgery, and hanging around in the waiting room is a pain. Especially if you are already sick, and would prefer to be tucked up in bed. Asking the doctor for a diagnosis by teleconference is a much better solution in many cases, and it exposes doctors and their staff to fewer contagious patients. The virus will make this desirable change a necessity. People will invest in devices and apps to take measurements to inform the remote consultations.
By making them easier, telemedicine will increase the demand for consultations, and this in turn will boost the acceptability and use of AI triage.
5. Acceptance of automation
As well as saving lives and money, self-driving cars and automated delivery services will help prevent or slow down the spread of communicable diseases. Likewise automated checkouts in shops. There is a certain amount of resistance to these developments at the moment, and the present crisis could well diminish that.
6. Acceptance of government
In 1986, Ronald Reagan said “The nine most terrifying words in the English language are: I’m from the government and I’m here to help.” This attitude still prevails on the political Right, and cynicism about the public sector is common across the spectrum. But it turns out there are problems which only government is equipped to handle, and the virus is certainly one of them. The ideological resistance to government intervention seems to have delayed lockdown measures in the Anglo-Saxon countries, which is likely to increase their relative casualty rates.
It is obviously important that government intervention is intelligent and efficient. At the time of writing it looks as though Asian governments have shown themselves more capable, regardless whether they are dictatorships or democracies. Relentless testing and fast isolation there is keeping their casualty rates low, although their younger populations is also a factor.
7. Acceptance of experts, and diversity
“We’ve had enough of experts”, quipped Michael Gove in June 2016. We are rediscovering their value. Cynics have commented that last year only one in a million people were epidemiologists, whereas today at least half of us are – at least on Twitter. Nevertheless, we are all hungry to hear what the genuine experts have to say.
A more subtle point is that experts do not agree – and nor should they. “We are following the science” suggests that there is one settled view on complicated matters. There is not. Religious devotion to one conventional wisdom can be dangerous in science, as elsewhere. Sorting out the wheat from the chaff in a debate is not easy: it takes time, effort, and healthy scepticism. A basic understanding of statistics is a pre-requisite for informed citizenship.
8. Physical distancing, not social distancing
While most of us are to a greater or lesser degree self-isolating, anecdotal evidence suggests that we are talking to each other – to friends and family – more than ever. This is a good thing, and let’s hope the habit persists.
9. Less polarisation
There can be no doubt that we are all in this together. The virus does not discriminate between Brexiteer and Remainer (except by their age), or between the supporters and opponents of Trump. Could the rabid polarisation of political debate introduced by the Tea Party movement in reaction to Obama’s election be soothed by a common enemy? Sadly, judging by the discussions raging on Twitter, it looks unlikely.
10. From Chernobyl to Suez
It is pretty clear that the virus originated in a live animal market in Wuhan, not in a US military lab. In the early days, various levels of Chinese government covered it up and lied about it. If the rest of the world had reacted quickly and responsibly, this epidemic would have been China’s Chernobyl – a disaster aggravated by official incompetence and malpractice.
But the rest of the world did not do that. The widespread perception that Trump downplayed the significance of the virus for weeks, and proceeded to lie about his behaviour, has deprived the world of its natural leadership through the crisis. Furthermore, Western governments have proved less able than those in Asia to take the necessary steps to mitigate the impacts of the virus.
The Suez crisis in 1956 exposed Britain’s precipitate decline to the world, and to itself. The Economist magazine has suggested that the virus could become America’s Suez. China is assiduously burnishing its philanthropic credentials, sharing data and distributing masks and medicines. America still has the world’s largest and most innovative economy, and by far its most powerful armed forces. But depending on what happens next, its management of this crisis could devastate its global influence.
Maybe this is the real beginning of the Asian century.
This article first appeared in Forbes
February 6, 2020
Book review: “A World Without Work” by Daniel Susskind
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Technological unemployment and economists
The term “technological unemployment” was popularised in the 1930s by the celebrated economist John Maynard Keynes. Fifty years later, another renowned economist called Wassily Leontief warned that jobs for humans might follow the same path that jobs for horses did in the early 20th century. So the idea has a respectable economic heritage, but economists are still arguing about whether it will actually happen.
The latest contribution comes from Daniel Susskind, a member of an unreasonably talented family of lawyers, economists and academics. His economic credentials are strong: previously an adviser at Number 10, he is now a fellow at Balliol College, Oxford. Susskind is on the side of those who think that technological unemployment is very likely to happen in a matter of decades. He does not attempt a watertight proof, but he helps to clarify how economists should think about the issue.
Unlike many commentators, Susskind goes beyond diagnosis and into prognosis and prescription. This is commendable, and although I disagree with where he ends up, the journey is important because it is vital that more thinking is done on this subject. The book is well-written, and easy to digest.
Susskind is not a technological determinist: he speculates that if horses had the vote, their fate might have been different. He describes himself instead as a technological realist, and thinks that our freedom of movement is constrained. We can’t escape the fact that we will build more and more capable machines. Our challenge is not to try to stop this, but to work out how to flourish anyway.
The substitution force and the complementary force
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The book provides a clear and helpful discussion of the two main economic forces that determine whether there is technological unemployment: the substitution force and the complementary force.
The substitution force is straightforward: machines replace horses and humans in jobs if they are cheaper, better, and / or faster. In 1915 there were 21 million horses labouring away in America, and the US horse population today is two million.
Despite numerous rounds of automation (mostly mechanisation so far) humans have not been ejected from the workplace, and many developed economies are close to full employment. This is because of the complementary force, which has three effects: the productivity effect, the bigger pie effect, and the changing pie effect.
The productivity effect is when automation eliminates some jobs, but makes other workers more productive. Computer-aided design (CAD) has reduced employment for draughtsmen, but it has also enabled architects to work much faster, and design more complex, efficient and elegant buildings.
The bigger pie effect is clearly visible in the economic history of the USA: its GDP was 15,000 times higher in 2000 than it was in 1700. This means more wealth, more demand, and more jobs.
The changing pie effect is seen in the shift in economies and employment from farms to factories, and then to offices.
ALM and ATM
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In 2003, the MIT economists David Autor, Frank Levy, Richard Murnane gave their names to the ALM hypothesis, which provides more detail about how the substitution effect works. It points out that jobs are not monolithic, but comprised of tasks. Automation replaces tasks which are routine. It is not always obvious which tasks are routine, and they are certainly not restricted to low-paid, blue-collar jobs. The Luddites who smashed looms in the early 19th century were not unskilled labourers, but artisans. Their jobs were being de-skilled by machines.
Today, lots of office jobs involve routine tasks, and Bank of England Governor Mark Carney has warned of an impending “massacre of the Dilberts”. Many economists think that since the 1980s, automation has hollowed out middle-range jobs, leaving untouched the high-skilled cognitive jobs, and also the manual jobs, which, as Moravec’s Law explains, are hard to automate because while reasoning (which is hard for humans) requires very little computation, sensorimotor skills (which are easy for human adults) require enormous computational resources.
David Autor has argued for years that the complementary effect means that technological unemployment is not something to worry about for the foreseeable future. In 2016 he gave an engaging TED talk in which he argued that when ATMs automated the jobs of bank tellers, the number of human tellers actually rose, because the ATMs enabled banks to open more branches, and the tellers carried out more value-added tasks.
It is a pity that Susskind repeats this story, because it is almost certainly untrue. The real reason the number of branches increased was a piece of financial deregulation, the Riegle-Neal Act of 1994, which allowed more banks to operate across state borders. This explains why the number of branches only increased in the USA, and not, for example, in Europe.
The Big Bang in AI, in 2012
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In 2012 there was a Big Bang in artificial intelligence. Access to more data and more powerful machines enabled AI researchers to deploy machine learning, a well-established type of statistical technique. Since then, it has been much harder to sustain the argument that the complementary effect will persist for the foreseeable future. Machine learning, and in particular a sub-set called deep learning, enables machines to carry out tasks which are non-routine, and indeed sometimes require creativity. Those who continue to deny that machines can be creative have simply not been paying attention. There is clear evidence of creativity in the famous move 37 in game two of AlphaGo’s defeat of Lee Sedol, the best human Go player. Umpires in chess championships between humans now watch out for unusual creativity, which is a sign that the player has cheated by using a computer.
Oddly, Susskind chooses not to use the terminology of machine learning, but calls it “pragmatic” AI instead. The form of AI which prevailed before is generally called symbolic AI, or good old-fashioned AI (GOFAI), but Susskind calls it “purist”.
This transition within AI has caught out many eminent thinkers. They seem to confuse consciousness (which machines do not appear to possess) and intelligence (which they certainly do display). The philosopher John Searle complained that by developing Deep Blue, IBM was giving up on AI. Douglas Hofstadter thought that IBM’s Watson, which won Jeopardy, was vacuous. Intelligence is most concisely defined as goal-oriented learning behaviour, and it is not a specifically human thing. We humans are just the most advanced exemplar we have today. We are unlikely to be the most advanced exemplar this planet will ever host.
For these thinkers, intelligence is whatever machines can’t do today. They assume that machines will have to reach artificial general intelligence (AGI, or strong AI) to be capable of the more complex things that we do, like driving, diagnosing cancers, holding conversations, etc. Whenever any of these things falls to the machines, they move on to the next. Susskind is surely correct to say that technological unemployment does not require AGI.
The capabilities we use to earn a living can be classified as manual, cognitive, and affective. (Affective capabilities relate to human moods, feelings and attitudes.) Machines have been taking over the jobs requiring manual capabilities for decades. They dominate heavy-lifting tasks, and they are increasingly good at fiddly manual jobs too. We can already see cognitive capabilities starting to go the same way, and we cannot we be confident that jobs requiring affective capabilities will always be reserved for humans: machines can already tell if you are happy, surprised, or depressed. Or gay. Some AI systems can tell these things by your facial expressions, and others by how you walk, or dance, or type.
Automation will proceed at different paces in different places, not least because the cost of the alternative to automation will vary. Countries that age faster will automate faster, and regulations and cultures will also play a role in setting the timeline. But overall, the process is ineluctable. Take any piece of technology – a computer, a mobile phone, a robot: the current version is the least advanced that it is ever going to be. As Susskind says, “nothing is certain in life except death, taxes, and the relentless process of task encroachment.”
Frictional and structural technological unemployment
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Susskind expects task encroachment to cause two kinds of unemployment: frictional, and then structural.
Frictional technological unemployment means there are still jobs, but not all of us are equipped to do them. Susskind suggests this may already be happening: in the USA, unemployment is very low, at 3.7%, but it is no secret that unemployment numbers don’t tell the whole story. The participation rate is the number of people who are employed, or looking for employment. This is depressed, with one in six men of working age having dropped out of the workforce – double the level in 1940. There is a mis-match of skills, identity, and place: men are unwilling to take the so-called “pink collar” jobs which have expanded, like nursing, teaching, housekeeping, and hairdressing. Or they may not be offered them.
If more and more workers chase a dwindling number of jobs, the result will be lower wages, and the growth of “the precariat”. And if automation replaces human jobs at an accelerating rate, we will see what I call the Churn, as people have to re-skill and re-train more and more often, changing their jobs, their companies, and even their careers.
Structural technological unemployment, by contrast, means the complementary force has become ineffective. A human is replaced in one job, and even though the productivity effect, the bigger pie effect or the changing pie effect means that another job is created, that new job is done by a machine, not by the displaced human. Susskind is no more able to prove beyond reasonable doubt that this will happen than any other commentator has been, but he provides plenty of compelling examples which show why we should take the idea seriously.
Skeptics about the idea of technological unemployment think it is the “lump of labour fallacy”, the misconception that there is a fixed amount of work—a lump of labour—to be done within an economy which can be distributed to create more or fewer jobs. David Schloss, a British economist, pointed out back in 1892 that instead of being static, work expands. The trouble is, there is no guarantee that the additional work will always be done by humans instead of machines.
If technological unemployment is coming, when will it arrive? Susskind is refreshingly honest: he does not know. There may be sudden surges and abrupt tipping points, or there may be a constant, gradual erosion of the complementary force. Unusually, for a book on this subject, Susskind does not explicitly refer to the exponential growth in the power of our machines. But he does say that he thinks the timing is decades rather than centuries, because given eight decades of current progress, a machine will be a trillion times more powerful than its equivalent today.
The Big State
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In the book’s concluding chapters, Susskind asks how we will all find meaning in our lives without jobs, and how we will all earn enough to live on. Many of the authors who have addressed technological unemployment before have ground to a halt at this point, particularly American ones. Susskind’s proposal gives a clue as to why they struggle so much. For both questions, he concludes that the answer lies partly in developing a Big State, which will redistribute income and wealth, and nudge us all into behaviours that will give us lives of fulfilment rather than boredom and despair. What he has in mind is something much more radical and much more intrusive than the currently popular appeals for more industrial strategy and a more generous welfare state. This will be anathema to many American readers, and it certainly raises the spectre of an authoritarian state, or at least a heavily patronising one.
Although Susskind thinks we will need the Big State to help us find meaning and purpose in a world without work, he provides a series of historical examples which demonstrate that you don’t need a job to enjoy a life with meaning. One of them is aristocrats. He quotes Bertrand Russell as saying that far from being bored and useless, the leisure class “contributed nearly the whole of what we call civilisation”.
Furthermore, working nine to five (or five to nine, for the merchants bankers and startup founders amongst you) is not a state of nature. Foragers and hunter-gatherers worked fewer hours each day than we do. The ancient Greeks’ approach to work and leisure was the opposite of ours: the ancient Greek word for work is ascholia, and it means the absence of leisure. Aristotle declared that “citizens must not lead the life of artisans or tradesmen, for such a life is ignoble and inimical to excellence.”
This idea is also enshrined in the foundation story of our most widespread religion. When Adam and Eve ate the forbidden apple, God sentenced them to work, and they lost the lives of leisure they had led up till then. If Marx were alive today, he might say that work is the new opiate of the masses – the pastime we use to blind ourselves to the possibility of a better life.
Missing abundance
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Susskind also thinks the Big State will be needed to re-distribute income and wealth. He envisages taxes rising sharply, and various kinds of intrusive behaviour change programmes, including obliging accountants to work against the financial interests of their clients.
Like many economists, he is skeptical of universal basic income. He understands the argument that making such payments universal would ensure they reach everybody, and should neutralise their stigma, but he cannot reconcile himself to the waste involved in paying UBI to, for instance, Rupert Murdoch and Mark Zuckerberg.
But I think he neglects the biggest problem with UBI, which is the little word in the middle: “basic”. At best, even if it is somehow affordable, UBI succeeds only in keeping everybody alive but poor. We have to do much better than this. We have to make everybody rich – or at least comfortable.
I suspect there is only one way we can transfer enough income and / or wealth from the rich to the rest of us to make everybody comfortable in a world without jobs. That is to develop the economy of abundance. If prices remain essentially as high as they are today, UBI is doomed to failure, and so are its variants, like Universal Basic Services, or Conditional Basic Income. The transfer would weight heavily on the employed and the rich, and would be resisted. But if we can drive down to almost zero the price of everything we need for a great standard of living, then the transfer should be achievable, and a world without jobs could be a truly wonderful place. I think we can develop an economy of abundance – in fact it may arise naturally. However, the transition will be bumpy, and we need to have our eyes open.
This article first appeared in Forbes
