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Artificial Intelligence to
the Rescue? by Peter Voss
Imagine
Imagine a hundred thousand
PhD-level researchers focusing their total efforts on life-extension and
anti-aging research. Imagine them working 24/7, with no distraction from grant
proposals, office politics, or attractive co-workers. Imagine the fantastic
progress we would see in finding solutions for eliminating debilitating disease
and reversing the deathly effects of aging.
This optimistic vision is
rapidly moving closer to reality: The foundational knowledge and technology to
build computers with human-level learning and thinking ability are now finally
emerging. Recent advances in computer technology combined with insights from
fields as varied as psychology, philosophy, evolution, brain physiology, and
information theory allow us to finally solve the previously intractable
problems of creating real AI. The long-promised power of truly intelligent
machines will soon be available to help us solve the many problems holding back
human flourishing and longevity.
Now, I expect skepticism.
Haven’t we been promised real artificial intelligence for 30 years or more? Yet
all we see around us are ‘stupid’ computer programs that don’t understand what
we actually want to do, and respond with cryptic error messages when things go
wrong. What is more, they cannot adapt to changing circumstances or
requirements, and they don’t learn from their mistakes.
A new approach to AI,
called ‘artificial general intelligence’, or AGI, has emerged which
promises to finally overcome the limitations of traditional AI, and usher in a
new era of vastly superior computer systems and tools. Given adequate
development effort, this nascent technology could provide systems that learn,
think, and innovate like humans before the end of this decade. In fact, as we
will see below, these computers will in many ways be more capable than human
researchers.
What exactly is AGI, and
how does it differ from conventional AI?
Computer systems based on
AGI technology (AGIs) are specifically engineered to be able to learn. They are
able to acquire a wide range of knowledge and skills via learning – similar to
the way we do. Unlike current computer systems, AGIs do not need to be
programmed to do new tasks. Instead, they are simply instructed and taught by
humans. Additionally, these systems also learn by themselves – both implicitly
‘on-the-job’, and explicitly by reading and practicing. Furthermore, just like
humans, they resiliently adapt to changing circumstances.
This general ability to
learn through natural interaction with the environment as well as from
teachers, allows them to autonomously expand and adapt their abilities over
time – they become ever more knowledgeable, smarter, more useful.
In addition to their
intrinsic learning ability, AGIs are also designed to function in a
goal-directed manner. This means that they automatically focus their attention
on features and activities that are likely to help solve problems they have
been given. For example, an AGI trained and instructed to look for
inconsistencies in arthritis medication studies will spend its time perusing
relevant articles, news, and background information, and request pertinent
additional information or clarification from other researchers. On the other
hand, an AGI assigned to be a personal assistant will seek out knowledge and
skills necessary for that job, such as learning how to deal with various types
of business associates, schedules, priorities, and travel arrangements, as well
as its boss’s personal preferences.
AGIs learn both
conceptually and contextually. Conceptual learning implies that knowledge is
assimilated in a suitably generalized and abstract form: Skills acquired for
one task are available for similar, but non-identical tasks, while at the same
time making the system much more useful and robust when coping with
environmental changes. Context, on the other hand, allows the system to utilize
relevant background information to appropriately tailor its responses to
each specific situation. It can take into account such crucial factors as
recent actions and events, current goals and priorities, who it is
communicating with, and anything else that affects its current actions.
Other central AGI features
include an ability to anticipate events and outcomes, and the ability to
introspect – to be aware of its own cognitive states (such as novelty,
confusion, certainty, its level of ability, etc). These design features,
combined with the fact that AGIs directly perceive their environments via
built-in senses, endow them with human-like understanding of facts and
situations.
In contrast, systems based on conventional AI technology
provide little or no learning capability beyond their initial one-time training
phase (if any). Traditional computer programs are designed for narrow
applications, and are incapable of being used for any other purpose. In fact,
even within their given domain any new requirements or changes to their
operating environment require costly program changes.
To use a human analogy to highlight the difference, imagine
an entirely unschooled person: If we wanted to put them to work on an assembly
line, we could instruct them with a very detailed script for a specific set of
actions, in other words: rote learning, with no real understanding (like
programming a traditional AI or ‘expert system’). Or, we could take on the much
more difficult task of teaching them to read and write, to think logically and
to learn. This would enable them to learn and re-learn any number of
jobs in the factory and elsewhere; and to perform them much more intelligently
– with understanding. This is the AGI approach. Furthermore, an educated person
(or AGI) can also manage entities with low-level skills, or those that
possess highly specialized knowledge, thereby greatly increasing their
productivity.
In summary, an AGI’s ability to learn implies a number of
advantages over conventional AI technology: It can be taught, instead of having
to be programmed; it learns from experience and can learn by itself; it can
deal with ambiguity and unknown situations, know when to ask for help, and
recover from errors resiliently and autonomously.
Note that all these advantages are in addition to computer
systems’ natural strengths: photographic memory, high-speed accuracy, upgradeability,
seamless interfacing with other systems, etc. Another key feature of such
trainable/ trained systems is that, unlike skilled humans, they can be
duplicated, and efficiently pool knowledge and experience. These capabilities
allow for rapid up-scaling of research projects. For example, various AGIs,
after having been trained in particular research specialties, could pool their
knowledge and then be duplicated hundreds of times – imbuing each one of them
with their combined knowledge. From there on these AGIs can pursue coordinated,
yet individual, research paths, while regularly updating each other. Naturally,
this strategy can also be applied across multiple research organizations.
How AGI will improve our lives
A computer’s natural habitat comprises the Internet and
local networks, email, and software. On the other hand high degrees of physical
mobility and dexterity are difficult and expensive to achieve. Early
applications of AGI will leverage their inherent strengths, while minimizing
weaknesses. Because of this, computer-bound applications will be first to
arrive; robotics, and especially systems with human-level sense acuity and
dexterity, will come later.
One obvious early application is that of Personal
Assistant. This system observes your computer activity and automatically
learns your details, preferences, and usage patterns. It is always ready to
check, sort, and respond to your email, make phone calls on your behalf, place
and track orders for you, and asks you to explain or clarify anything it
doesn’t know how to handle – it learns ‘on the job’. The AGI takes standing
(verbal) instructions, such as general reminders or paying bills, alerting you
when a hard-to-get item becomes available, or interrupting you when some
specific person calls. It knows about your business associates and friends, how
to get hold of them, and their respective preferences and priorities. Best of
all, the more you use it, the better it becomes at anticipating your
requirements.
A very powerful and lucrative commercial use of AGI
technology is as Call Center Operators. Applications include sales and
technical support, market research, and other service hotline functions such as
banking. Apart from lowering cost of operation, these AGI operators are always
available, have infinite patience, and the same cheery disposition.
Furthermore, a customer calling will always be speaking to the ‘same person’,
meaning that the operator remembers you, your previous calls, as well as
knowing all about past and current transactions, inventory status, technical
product details, and any ad hoc personal preferences you may have. The service
is further personalized by the AGI knowing, for example, that you live in a
cold climate, but are currently experiencing a heat wave – thus suggesting that
your supplement order should perhaps be shipped overnight.
An interesting consequence of AGI call centers is that
America will again in-source many of these functions from overseas – completing
the circle!
As helpful as the above-mentioned applications are, the
really exciting uses for many of us are in the area of research. Once we employ
AGIs to help us solve the many problems threatening our lives and flourishing,
we will see accelerating progress in many crucial domains – including biotech, nanotech,
as well as energy, materials, and environmental science.
Successful research requires both low- to medium-level
intelligence (to do the ‘grunt’ work) as well as the most brilliant minds one
can muster. Research papers and data, technical books and articles, and
conference proceedings are now being published at such a furious pace that even
experts in highly specialized fields are unable to keep up.
Research Assistant AGIs will allow us finally handle
to the enormous information overhang we’re accumulating. Working diligently
24/7, they will be able to peruse research publications of all kinds,
consolidate findings while identifying consensus and contradictions, and
annotate summaries with links to relevant authors, sources, and references.
These computerized helpers will have the time and skill to assess the studies’
quality by reputation referencing, and by analyzing methodology and protocols.
This will help to identify bias and statistical problems such as inadequate
sample size. They can also contact authors to request additional details or
data, or to clarify points. All of this will make it much easier for
higher-level researchers to evaluate the state-of-the-art, and to design highly
effective follow-up studies and experiments. Naturally, disparate AGI research
assistants will be able to exchange and share information with each other
almost instantaneously. Moreover, an AGI trained to any given level of
expertise and experience can easily be copied or multiplied an unlimited number
of times.
Another huge bonus from using AGIs for research is that they
can assimilate, compare, and integrate inter-disciplinary work –
something that is extremely difficult for humans to do.
At the next level, AGIs can be employed as Lab Assistants
to control and monitor connected lab equipment, and help collate, file and
report results.
The highest payoff, however, comes from utilizing the
accuracy, persistence, knowledge and intelligence of high-level AGIs to pursue
and direct research in their own right – discovering solutions that equal or
exceed mankind’s best achievements. These AGI Researchers engaged in
primary research will suggest and justify decisive experiments in situations
where empirical methods are called for.
The longer term
Projecting the capabilities of AGIs a little further into
the future – as they accumulate substantial knowledge and skills in a large
number of fields, and as costs plummet and performance skyrockets – we see many
far-reaching benefits that promise to save and improve human lives.
Imagine applying the brainpower of millions of highly
trained specialist AGIs to solving mankind’s most challenging problems;
problems that are currently beyond human ingenuity. The implications are truly
staggering.
Think about how this will accelerate progress in conquering
disease and ageing. Consider how this can diminish a host of existential risks
– both natural and man-made: floods and earthquakes, climate change and
pollution, many types of accidents and terrorism.
AGI will also greatly assist in the rapid development of
safe nanotechnology. This in turn, will help bring about radical
life-extension.
Rational, wise thinking machines may even foster more
objective legal systems, productive governments, and a reduction of political
conflict.
Imagine the difference this would make to the quality and
quantity of life. It will provide the opportunity for us to more fully realize
our human potential.
Making
it happen
Fully operational AGIs do not currently exist – however, the
required knowledge to build them does. Surprisingly, very few companies are
actively pursuing this goal (see next section for an analysis).
Adaptive A.I. Inc. is a small but innovative company that I
formed in 2001 with the express purpose of developing and commercializing AGI
technology. After an initial three-year research phase, the
company is now engaged in an ambitious multi-year development project
to actually build a fully functioning AGI with human-level cognitive ability.
While we expect the initial system’s cognitive ability to
roughly match that of a 10-year old, in many respects it will be much more
capable. As indicated above, it will have encyclopedic knowledge, the patience
and self-discipline of a saint, and enjoy the accuracy, memory and speed of a…
well, a computer.
Because this is not a copy of a human mind, but something
completely new – an artificial or synthetic mind - one must expect it to have
some strange ‘quirks’ and mannerisms relative to humans; like someone from a
foreign culture and background, only more so. Additionally, its strengths will
not be human-like dexterity, sense acuity, or the shared context of everyday
human experience. The initial model will not be robotic, nor directly
interface with the real world. Its natural environment is that of computer
data, software tools, network resources, and the Internet. It will interact
with people via voice and text (using computer and phone interfaces).
By avoiding the expense and complexity of robotics, and
through various other fundamental strategic decisions, we expect to be able to
deliver commercial AGIs well before the end of the decade.
Our company’s approach calls for
the extensive leveraging of existing technology – instead of
re-inventing, we aim to capitalize on existing (and soon-to-be-available)
hardware and software components, as well as published theoretical research. We
believe that to a large extent, the ‘pieces of the puzzle’ for achieving AGI
already exist. Our ingenuity is applied primarily to finding, selecting, and
intelligently integrating existing know-how, while inventing and developing the
crucial missing pieces.
Another crucial business decision
is to dedicate our company entirely to the task of developing
competitive, commercial AGI technology. We do nothing else. Furthermore, being
privately owned and funded by a limited number of individual investors who
share our futurist vision, we do not need to satisfy a large number of
investors with conflicting priorities, nor are we distracted by pressure for
‘next quarter earnings’, or marketing pressures and arbitrary release dates. We
are singularly focused on our goal. This significantly contributes to our cost
effectiveness and success.
Having said this, once our current
development goals have been achieved, we do plan to transform the
company into a product and services organization that supplies complete AGI
solutions to a wide range of customers. We plan to be leaders in this new
multi-billion dollar industry. There will be a massive demand for such systems,
and the numbers are substantial. A million human-level AGIs at $100,000 each
comes to $100 billion.
Given its enormous commercial potential, one may wonder why
AGI isn’t a well-known, well-funded area of research and development. This is
an interesting question.
Why such a dearth of AGI projects?
Several contributing factors seem to be accidents of
history.
Firstly, we now find ourselves in the depth of the ‘AI
winter’ – a period of deep pessimism and lethargy towards AGI ambitions
following the spectacular failure of early AI promises. In backlash to
unfulfilled expectations of 30 and 40 years ago, ‘Artificial Intelligence’ is
still a swearword to many. Without delving into detailed analysis of these
early failures, suffice it to say that hardware and software technologies and
cognitive theories had simply not advanced sufficiently to enable the creation
of human-level artificial intelligence.
However, while limitations of early technology were a
definite handicap, several other theoretical and practical limitations, errors,
and blind spots were – and are – even bigger impediments. These include the
following:
‘Human-level AI is impossible’ – At the
most basic level, this is usually caused by remnants of an ancient
philosophical position called ‘Dualism’. This long-since-discredited idea that
there is an inherent dichotomy between mind and body leads many AI researchers
to reject even the theoretical possibility of AGI. Thus they don’t even try to
solve the problem.
‘Not in my lifetime’ – Of those who do
not in principle object to the possibility of AGI, many do not believe
that it can happen in their lifetime, if ever. Some hold this position because
they themselves tried and failed ‘in their youth’. Others believe that AGI is
not the best or fastest
approach to achieving ‘AI’, or are at a total loss on how to go about it. One
popular idea is that we need to reverse-engineer the human brain – one function
at a time – in order to create intelligent machines.
‘There is no such thing as general
intelligence’ - A great percentage of researchers reject the validity or
importance of ‘general intelligence’. For many, controversies in psychology
(such as those stoked by The Bell Curve)
make this an unpopular, if not taboo subject. Others, conditioned by decades of
domain-specific work, simply do not see the benefits of AGI – of having
intelligent systems with general learning ability.
‘We should not try to create AGI’ –
Several groups oppose AGI development on moral grounds, or because they fear
it.
‘We don’t know how to do it’ – Many
potential AGI entrepreneurs and researchers simply don’t enter our field,
because they lack crucial insights on how to achieve real artificial
intelligence. There are many ways to be misdirected, and academia, if anything,
hinders in that regard. To name just one of the most common errors entrenched
in conventional AI thinking: the mistaken belief that intelligence is primarily
about having knowledge. We see the ability to acquire knowledge – i.e.
to learn – as far more fundamental.
Poor AI theory – There are a many
theories of artificial intelligence. Most of them will not lead to practical
systems possessing general intelligence. Several theoretical errors and blind
spots have already been mentioned. While this is not the forum to explore this
subject in any detail, here are some additional errors worth listing: The
belief that AI can be solved by language alone (as in chat-bots), or
conversely, that they require full embodiment (robotics); approaches that focus
unduly on vision (or any other single aspect, for that matter); overly abstract
mathematical or philosophical theories that lack real-world grounding
(universal Turing Machines, quantum consciousness and qualia); rigid rule-based
designs, and statistical models that require infinite processing power.
Short-term academic and commercial pressure
- Today, the bulk of AI research and development focuses on narrow applications
that are quite domain specific. From a competitive point-of-view it doesn’t
really matter whether this results from a theoretical rejection of ‘general
intelligence’, or simply from practical, short-term commercial or academic
pressures; it is a lot quicker and cheaper to solve specific problems one at a
time than to develop general learning. Of course, many are so focused on
particular, narrow aspects of intelligence that they simply don’t get around to
looking at the big picture – they leave it to others to make it happen. It is
also important to note that there are often strong financial and institutional
pressures to pursue specialized AI.
Loss of
project focus – The few
projects that do pursue AGI based on
relatively sound models run yet another risk: they can easily lose focus.
Sometimes commercial considerations hijack a project’s direction, while others
get sidetracked by (relatively) irrelevant technical issues, such as trying to
match an unrealistically high level of performance, fixating on biological
feasibility of design, or attempting to implement high-level functions before
their time.
AGI to the rescue
Artificial General
Intelligence is the emerging technology of intelligent computer systems that
are able to learn and reason; systems that dynamically interact with us;
computers that understand. Employing such AGIs with human-level
cognitive ability in research promises to enormously accelerate progress in
many fields.
Many of us look forward to
using these intelligent systems to help solve the many hard problems that
currently prevent or limit human well-being and longevity. We expect to have
hundreds of thousands, if not millions, of highly intelligent and trained AGIs
working away at finally conquering the killer diseases, and to figure out how
to stop and reverse the devastating effects of aging. Beyond that, we look
forward to technology to further improve the quality of human life – to make us
truly flourish.
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