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From the New York Times bestselling author of Nudge and The World According to Star Wars, a revealing account of how today's Internet threatens democracyand what can be done about it
As the Internet grows more sophisticated, it is creating new threats to democracy. Social media companies such as Facebook can sort us ever more efficiently into groups of the like-minded, creating echo chambers that amplify our views. It's no accident that on some occasions, people of different political views cannot even understand one another. It's also no surprise that terrorist groups have been able to exploit social media to deadly effect. Welcome to the age of #Republic.
In this revealing book, New York Times bestselling author Cass Sunstein shows how today’s Internet is driving political fragmentation, polarization, and even extremismand what can be done about it. He proposes practical and legal changes to make the Internet friendlier to democratic deliberation, showing that #Republic need not be an ironic term. Rather, it can be a rallying cry for the kind of democracy that citizens of diverse societies need most.
|Publisher:||Princeton University Press|
|Product dimensions:||5.20(w) x 7.90(h) x 1.00(d)|
About the Author
Cass R. Sunstein is the Robert Walmsley University Professor at Harvard Law School. His many books include the New York Times bestsellers Nudge: Improving Decisions about Health, Wealth, and Happiness (with Richard H. Thaler) and The World According to Star Wars. He lives in Concord, Massachusetts.
Read an Excerpt
THE DAILY ME
In 1995, MIT technology specialist Nicholas Negroponte prophesied the emergence of "the Daily Me." With the Daily Me, he suggested, you would not rely on the local newspaper to curate what you saw, and you could bypass the television networks. Instead, you could design a communications package just for you, with each component fully chosen in advance.
If you want to focus only on basketball, you could do exactly that. If your taste runs to William Shakespeare, your Daily Me could be all Shakespeare, all the time. If you like to read about romances — perhaps involving your favorite celebrities — your newspaper could focus on the latest love affairs, or who's breaking up with whom. Or suppose that you have a distinctive point of view. Maybe your views are left of center, and you want to read stories fitting with what you think about climate change, equality, immigration, and the rights of labor unions. Or maybe you lean to the right, and you want to see conservative perspectives on those issues, or maybe on just one or two, and on how to cut taxes and regulation, or reduce immigration.
Perhaps what matters most to you are your religious convictions, and you want to read and see material with a religious slant (your own). Perhaps you want to speak to and hear from your friends, who mostly think as you do; you might hope that all of you will share the same material. What matters is that with the Daily Me, everyone could enjoy an architecture of control. Each of us would be fully in charge of what we see and hear.
In countless domains, human beings show "homophily": a strong tendency to connect and bond with people who are like them. The tendency to homophily is dampened if people live within social architectures that expose them to diverse types of people — in terms of perspectives, interests, and convictions. But with an architecture of control, birds of a feather can easily flock together.
In the 1990s, the idea of a Daily Me seemed more than a little absurd. But it's looking astoundingly good. If anything, Negroponte understated what was coming, what has now arrived, and what is on the horizon. Is that a promise or a threat? I think it's both — and that the threatening part is what needs to be emphasized, not least because so many people see it as pure promise.
True, there's no Daily Me, at least not quite yet. But we're getting there. Most Americans now receive much of their news from social media, and all over the world, Facebook has become central to people's experience of the world. It used to be said that the "Revolution Will Not Be Televised"; maybe or maybe not, but you can be pretty sure that the revolution will be tweeted (#Revolution). In 2016, for example, the military attempted a coup in Turkey. It succeeded in seizing the nation's major television network. But it failed to take over social media, which the government and its supporters successfully used to call the public to the streets and, in short order, to stabilize the situation. Coup attempts often stand or fall on public perceptions of whether they are succeeding, and social media played a major role in combating the perception that the government was falling.
When people use Facebook to see exactly what they want to see, their understanding of the world can be greatly affected. Your Facebook friends might provide a big chunk of the news on which you focus, and if they have a distinctive point of view, that's the point of view that you'll see most. I worked in the Obama administration, and so did a number of my Facebook friends, and what I see on my Facebook page often fits the interests and views of the kind of people who worked in the Obama administration. Is that an unalloyed good? Probably not. And I have conservative friends whose Facebook pages look radically different from mine, and in ways that fit with their political convictions. We are living in different political universes — something like science fiction's parallel worlds. A lot of the supposed news is fake.
Your Twitter feed might well reflect your preferred topics and convictions, and it might provide much of what you see about politics — taxes, immigration, civil rights, and war and peace. What comes in your feed is your choice, not anyone else's. You might well choose to include topics that interest you, and points of view that you find congenial. In fact that seems quite natural. Why would you want topics that bore you and perspectives that you despise?
ALGORITHMS AND HASHTAGS
As it turns out, you do not need to create a Daily Me. Others are creating it for you right now (and you may have no idea that they're doing it). Facebook itself does some curating, and so does Google. We live in the age of the algorithm, and the algorithm knows a lot.With the rise of artificial intelligence, algorithms are bound to improve immeasurably. They will learn a great deal about you, and they will know what you want or will like, before you do, and better than you do. They will even know your emotions, again before and better than you do, and they will be able to mimic emotions on their own.
Even now, an algorithm that learns a little bit about you can discover and tell you what "people like you" tend to like. It can create something close to a Daily Me, just for you, in a matter of seconds. In fact that's happening every day. If the algorithm knows that you like certain kinds of music, it might know, with a high probability, what kinds of movies and books you like, and what political candidates will appeal to you. And if it knows what websites you visit, it might well know what products you're likely to buy, and what you think about climate change and immigration.
A small example: Facebook probably knows your political convictions, and it can inform others, including candidates for public office, of what it knows. It categorizes its users as very conservative, conservative, moderate, liberal, and very liberal. It does so by seeing what pages you like. If you like certain opinions but not others, it is easy to put together a political profile. If you mention certain candidates favorably or unfavorably, categorization is easier still. By the way, Facebook doesn't hide what it is doing. On the Ad Preferences page on Facebook, you can look under "Interests," and then under "More," and then under "Lifestyle and culture," and finally under "US Politics," and the categorization will come right up.
Machine learning can be used (and probably is being used) to produce fine-grained distinctions. It is easy to imagine a great deal of sorting — not just from the political right to the political left, but also with specifics about the issues that you care most about, and your likely views on those issues (immigration, national security, equality, and the environment). To say the least, this information can be useful to others — campaign managers, advertisers, fundraisers and liars, including political extremists.
Or consider the hashtag. With #Ireland, #SouthAfrica, #DemocratsAreCommunists, or #ClimateChangeIsAHoax, you can find in an instant a large number of items that interest you, or that fit with or even fortify your convictions. The whole idea of the hashtag is to enable people to find tweets and information that interests them. It's a simple and fast sorting mechanism. You can create not merely a Daily Me but rather a MeThisHour or a MeNow. (#MeNow? I thought I just made that up, but of course it's in common use.) Many people act as hashtag entrepreneurs; they create or spread hashtags as a way of promoting ideas, perspectives, products, persons, supposed facts, and eventually actions.
Many of us are applauding these developments, which can obviously increase fun, convenience, learning, and entertainment. Almost no one wants to see advertisements for products that don't interest them. If they're bored by stories about France's economy, why should they have to see such stories on their computer screen or their phone?
It is a fair question, but the architecture of control has a serious downside, raising fundamental questions about freedom, democracy, and self-government. What are the social preconditions for a well-functioning system of democratic deliberation or individual liberty itself? Might serendipity be important, even if people do not want it? Might a perfectly controlled communications universe — a personalized feed — be its own kind of dystopia? How might social media, the explosion of communications options, machine learning, and artificial intelligence alter the capacity of citizens to govern themselves?
As we will see, these questions are closely related. My largest plea here, in fact, is for an architecture of serendipity — for the sake of individual lives, group behavior, innovation, and democracy itself. To the extent that social media allow us to create our very own feeds, and essentially live in them, they create serious problems. And to the extent that providers are able to create something like personalized experiences or gated communities for each of us, or our favorite topics and preferred groups, we should be wary. Self-insulation and personalization are solutions to some genuine problems, but they also spread falsehoods, and promote polarization and fragmentation. An architecture of serendipity counteracts homophily, and promotes both self-government and individual liberty.
There is an important clarification. These are claims about the nature of freedom, personal and political, and the kind of communications system that best serves a democratic order. These are not claims about what all or most people are doing. As we will see, many people do like echo chambers, and they very much want to live in them. Many other people dislike echo chambers; they are curious, even intensely so, and they want to learn about all sorts of topics and many points of view. Many people simply gravitate, by default, to the most well-known or popular sites, which do not have a clear ideological orientation. Empirical work confirms these claims, showing that many members of the public are keenly interested in seeing perspectives that diverge from their own, and also that with online browsing, most people spend their time on mainstream sites lacking identifiable political convictions. Many people are open-minded, and their views shift on the basis of what they learn. Such people have an identifiable civic virtue; they are not too sure that they are right, and they want to discover the truth.
Many other people much prefer to hear opinions that are consistent with their own, but they are also perfectly willing to hear opinions that challenge them; they do not love the idea of an echo chamber, and they do not create one for themselves. In due course, I will have a fair bit to say about how people are actually using websites and social media, and the extent to which people are moving toward an architecture of control. But my central claims are not empirical; they are about individual and social ideals. They are about the kind of culture that is best suited to a well-functioning democracy.
What I will be emphasizing, then, is people's growing power to filter what they see, and also providers' growing power to filter for each of us, based on what they know about us. In the process of discussing these powers, I will attempt to provide a better understanding of the meaning of freedom of speech in a self-governing society. A large part of my aim is to explore what makes for a well-functioning system of free expression. Above all, I urge that in a diverse society, such a system requires far more than restraints on government censorship and respect for individual choices. For the last several decades, this has been the preoccupation of American law and politics, and in fact the law and politics of many other nations as well, including, for example, Germany, France, England, Italy, South Africa, and Israel. Censorship is indeed the largest threat to democracy and freedom. But an exclusive focus on government censorship produces serious blind spots. In particular, a well-functioning system of free expression must meet two distinctive requirements.
First, people should be exposed to materials that they would not have chosen in advance. Unplanned, unanticipated encounters are central to democracy itself. Such encounters often involve topics and points of view that people have not sought out and perhaps find quite irritating — but that might nevertheless change their lives in fundamental ways. They are important to ensure against fragmentation, polarization, and extremism, which are predictable outcomes of any situation in which like-minded people speak only with themselves. In any case, truth matters.
I do not suggest that government should force people to see things that they wish to avoid. But I do contend that in a democracy deserving the name, lives — including digital ones — should be structured so that people frequently come across views and topics that they have not specifically selected. That kind of structuring is, in fact, a form of choice architecture from which individuals and groups greatly benefit. Here, then, is my plea for serendipity.
Second, many or most citizens should have a wide range of common experiences. Without shared experiences, a heterogeneous society will have a much more difficult time addressing social problems. People may even find it hard to understand one another. Common experiences, emphatically including the common experiences made possible by social media, provide a form of social glue. A national holiday is a shared experience. So is a major sports event (the Olympics or the World Cup), or a movie that transcends individual and group differences (Star Wars is a candidate). So is a celebration of some discovery or achievement. Societies need such things. A system of communications that radically diminishes the number of such experiences will create a range of problems, not least because of the increase in social fragmentation.
As preconditions for a well-functioning democracy, these requirements — chance encounters and shared experiences — hold in any large country. They are especially important in a heterogeneous nation — one that faces an occasional danger of fragmentation. They have even more importance as many nations become increasingly connected with others (Brexit or no Brexit) and each citizen, to a greater or lesser degree, becomes a "citizen of the world." That is a controversial idea, but consider, for example, the risks of terrorism, climate change, and infectious diseases. A sensible perspective on these risks and others like them is impossible to obtain if people sort themselves into echo chambers of their own design. And at a national level, gated communications communities make it extremely difficult to address even the most mundane problems.
An insistence on chance encounters and shared experiences should not be rooted in nostalgia for some supposedly idyllic past. With respect to communications, the past was hardly idyllic. Compared to any other period in human history, we are in the midst of many extraordinary gains, not least from the standpoint of democracy itself. For us, nostalgia is not only unproductive but also senseless. Things are getting better, not worse.
Nor should anything here be taken as a reason for "optimism" or "pessimism" — two potential obstacles to clear thinking about new technological developments. If we must choose between them, by all means let us choose optimism. But in view of the many potential gains and losses inevitably associated with massive technological change, any attitude of optimism or pessimism is far too general to be helpful. Automobiles are great, but in the United States alone, many thousands of people die every year in car crashes. Plastics are a huge advance, but they have created a serious waste disposal problem. What I mean to provide is not a basis for pessimism but instead a lens through which we might understand, a bit better than before, what makes a system of freedom of expression successful in the first place, and what a well-functioning democracy requires. That improved understanding will equip us to understand a free nation's own aspirations, and thus help us to evaluate continuing changes in the system of communications. It will also point the way toward a clearer understanding of the nature of citizenship and its cultural prerequisites.
As we will see, it is much too simple to say that any system of communications is desirable if and because it allows individuals to see and hear what they choose. Increased options are certainly good, and the rise of countless niches has many advantages. But unanticipated, unchosen exposures and shared experiences are important too.
Excerpted from "#Republic"
Copyright © 2017 Princeton University Press.
Excerpted by permission of PRINCETON UNIVERSITY PRESS.
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Table of Contents
1 The Daily Me 1
2 An Analogy And An Ideal 31
3 Polarization 59
4 Cybercascades 98
5 Social Glue And Spreading Information 137
6 Citizens 157
7 What’s Regulation? A Plea 176
8 Freedom Of Speech 191
9 Proposals 213
10 Terrorism.com 234
11 #Republic 252
Afterword to the Paperback Edition 263