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ARCHITECTS of INTELLIGENCE for Xiaoxiao, Elaine, Colin, and Tristan ARCHITECTS of INTELLIGENCE MARTIN FORD ARCHITECTS OF INTELLIGENCE For Xiaoxiao, Elaine, Colin, and Tristan ARCHITECTS OF INTELLIGENCE THE TRUTH ABOUT AI FROM THE PEOPLE BUILDING IT MARTIN FORD ARCHITECTS OF INTELLIGENCE Copyright © 2018 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. Acquisition Editors: Ben Renow-Clarke Project Editor: Radhika Atitkar Content Development Editor: Alex Sorrentino Proofreader: Safis Editing Presentation Designer: Sandip Tadge Cover Designer: Clare Bowyer Production Editor: Amit Ramadas Marketing Manager: Rajveer Samra Editorial Director: Dominic Shakeshaft First published: November 2018 Production reference: 2201118 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK ISBN 978-1-78913-151-2 www.packt.com Contents Introduction ........................................................................ 1 A Brief Introduction to the Vocabulary of Artificial Intelligence .......10 How AI Systems Learn ........................................................11 Yoshua Bengio .....................................................................17 Stuart J. Russell ...................................................................39 Geoffrey Hinton ..................................................................71 Nick Bostrom .....................................................................97 Yann LeCun ..................................................................... 119 Fei-Fei Li ......................................................................... 145 Demis Hassabis ................................................................. 163 Andrew Ng ..................................................................... 185 Rana el Kaliouby ................................................................ 207 Ray Kurzweil .................................................................... 227 Daniela Rus ...................................................................... 253 James Manyika .................................................................. 271 Gary Marcus ..................................................................... 305 Barbara J. Grosz ................................................................ 333 Judea Pearl ....................................................................... 357 Jeffrey Dean ..................................................................... 375 Daphne Koller .................................................................. 387 David Ferrucci .................................................................. 405 Rodney Brooks .................................................................. 423 Cynthia Breazeal ............................................................... 445 Joshua Tenenbaum .............................................................. 463 Oren Etzioni .................................................................... 493 Bryan Johnson ................................................................... 511 When Will Human-Level AI be Achieved? Survey Results .............. 528 Acknowledgments .............................................................. 530 MARTIN FORD INTRODUCTION MARTIN FORD AUTHOR, FUTURIST Artificial intelligence is rapidly transitioning from the realm of science fiction to the reality of our daily lives. Our devices understand what we say, speak to us, and translate between languages with ever-increasing fluency. AI-powered visual recognition algorithms are outperforming people and beginning to find applications in everything from self-driving cars to systems that diagnose cancer in medical images. Major media organizations increasingly rely on automated journalism to turn raw data into coherent news stories that are virtually indistinguishable from those written by human journalists. 1 ARCHITECTS OF INTELLIGENCE The list goes on and on, and it is becoming evident that AI is poised to become one of the most important forces shaping our world. Unlike more specialized innovations, artificial intelligence is becoming a true general-purpose technology. In other words, it is evolving into a utility—not unlike electricity—that is likely to ultimately scale across every industry, every sector of our economy, and nearly every aspect of science, society and culture. The demonstrated power of artificial intelligence has, in the last few years, led to massive media exposure and commentary. Countless news articles, books, documentary films and television programs breathlessly enumerate AI’s accomplishments and herald the dawn of a new era. The result has been a sometimes incomprehensible mixture of careful, evidence-based analysis, together with hype, speculation and what might be characterized as outright fear-mongering. We are told that fully autonomous self-driving cars will be sharing our roads in just a few years—and that millions of jobs for truck, taxi and Uber drivers are on the verge of vaporizing. Evidence of racial and gender bias has been detected in certain machine learning algorithms, and concerns about how AI-powered technologies such as facial recognition will impact privacy seem well-founded. Warnings that robots will soon be weaponized, or that truly intelligent (or superintelligent) machines might someday represent an existential threat to humanity, are regularly reported in the media. A number of very prominent public figures—none of whom are actual AI experts—have weighed in. Elon Musk has used especially extreme rhetoric, declaring that AI research is “summoning the demon” and that “AI is more dangerous than nuclear weapons.” Even less volatile individuals, including Henry Kissinger and the late Stephen Hawking, have issued dire warnings. The purpose of this book is to illuminate the field of artificial intelligence—as well as the opportunities and risks associated with it—by having a series of deep, wide-ranging conversations with some of the world’s most prominent AI research scientists and entrepreneurs. Many of these people have made seminal contributions that directly underlie the transformations we see all around us; others have founded companies that are pushing the frontiers of AI, robotics and machine learning. Selecting a list of the most prominent and influential people working in a field is, of course, a subjective exercise, and without doubt there are many other people who have made, or are making, critical contributions to the advancement of AI. Nonetheless, I am confident that if you were to ask nearly anyone with a deep 2 MARTIN FORD knowledge of the field to compose a list of the most important minds who have shaped contemporary research in artificial intelligence, you would receive a list of names that substantially overlaps with the individuals interviewed in this book. The men and women I have included here are truly the architects of machine intelligence—and, by extension, of the revolution it will soon unleash. The conversations recorded here are generally open-ended, but are designed to address some of the most pressing questions that face us as artificial intelligence continues to advance: What specific AI approaches and technologies are most promising, and what kind of breakthroughs might we see in the coming years? Are true thinking machines—or human-level AI—a real possibility and how soon might such a breakthrough occur? What risks, or threats, associated with artificial intelligence should we be genuinely concerned about? And how should we address those concerns? Is there a role for government regulation? Will AI unleash massive economic and job market disruption, or are these concerns overhyped? Could superintelligent machines someday break free of our control and pose a genuine threat? Should we worry about an AI “arms race,” or that other countries with authoritarian political systems, particularly China, may eventually take the lead? It goes without saying that no one really knows the answers to these questions. No one can predict the future. However, the AI experts I’ve spoken to here do know more about the current state of the technology, as well as the innovations on the horizon, than virtually anyone else. They often have decades of experience and have been instrumental in creating the revolution that is now beginning to unfold. Therefore, their thoughts and opinions deserve to be given significant weight. In addition to my questions about the field of artificial intelligence and its future, I have also delved into the backgrounds, career trajectories and current research interests of each of these individuals, and I believe their diverse origins and varied paths to prominence will make for fascinating and inspiring reading. Artificial intelligence is a broad field
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