EDGE 4 — January 23, 1997


An Interview with Nathan Myhrvold


Lew Tucker and Steve Lohr on "The Chef" (Nathan Myhrvold)

David Lykken on Steven Pinker's "Organs of Computation"

(7,458 words)

John Brockman, Editor and Publisher | Kip Parent, Webmaster


An Interview with Nathan Myhrvold, Chief Technical Officer, Micrsosoft Corporation

Last year, the following email message arrived: "Thirteen years ago I went on a three month leave of absence from a job and, much to the consternation of my employer, I subsequently broke my promise and never returned. I know what you're thinking. That's just the sort of irresponsible act you've come to expect from the likes of me. That's what my boss thought at the time thought too, and with good reason. Amazingly enough, I'm still on good terms with him. His name is Stephen Hawking, and he's one of the world's foremost physicists. Meanwhile, as a direct result of my truancy, I'm one of the world's backmost physicists. As luck would have it, I've managed to scrape by with a job at Microsoft."

Thus read Nathan Myhrvold's email invitation to a dinner at the Seattle Zoo with "the current occupant of the Lucasian Chair of Mathematics, a position once held by Isaac Newton." Nathan, who went to Cambridge as a postdoc after receiving his doctorate from Princeton, worked with Hawking on research in cosmology, quantum field theory in curved space time, and quantum theories of gravitation. (Today, thirteen years later, he is a member of the board of trustees of the Institute for Advanced Study in Princeton, New Jersey, and he serves on the advisory board of Princeton University's department of physics.)

The guest list at Nathan's gala dinner ranged from New York investment banker Herbert Allen, Jr. to Stephen Hawking, from NBC President Robert Wright to Danny Hillis. What makes him very unique is that in addition to his business and scientific interests, he is a master French chef who has finished first and second in the world championship of barbecue in Memphis, Tennessee. He also works as an assistant chef at one of Seattle's leading French restaurants.

NATHAN MYHRVOLD is a bridge between the scientists of the third culture and the digerati. He is accomplished scientist who is at the helm of Microsoft's massive research program.Myhrvold is chief technology officer at Microsoft corporation, reporting to Microsoft CEO Bill Gates as a member of the Executive Committee. This group is responsible for the broad strategic and business planning for the entire company. He also is responsible for the Advanced Technology and Research Group, which has a budget of more than $2 billion a year. Previously he was group vice president of Applications and Content, which comprised a number of Microsoft divisions, including Desktop Applications, Consumer, Research, and Microsoft On-line Systems.

THE CHEF (Nathan Myhrvold)

JB: What's a CTO?

MYHRVOLD: Hell if I know. You know, when Bill and I were discussing my taking this job, at one point he said, Okay, what are the great examples of successful CTO's. After about five minutes we decided that, well, there must be some, but we didn't have on the tip of our tongues exactly who was a great CTO, because many of the people who actually were great CTO's didn't have that title, and at least some of the people who have that title arguably aren't great at it.

My job at Microsoft is to worry about technology in the future. If you want to have a great future you have to start thinking about it in the present, because when the future's here you won't have the time.

JB: So, what's happened with Microsoft's efforts regarding online publishing? Sounds like yet another example of Brockman's Law: "Nobody knows and you can't find out".

MYHRVOLD: That's basically right. At this stage in human history, technology plays a role that is enormously important. On Wall Street technology is one of the key leading indicators for the entire economy; something happens in high tech the whole market goes down. Back when the Dow theory was first developed they had the Dow industrials and they had the railroads, as the Dow transportation index. No one really cares about the transportation index anymore, but back when it was first created, it was an incredibly powerful force. If you did that today you'd have to have a technology index in some sense. And probably for the next 20 years, technology, particularly computer technology, is going to be one of the most dynamic parts of the economy and society. In the 20 year time frame time you could argue that genetic engineering and a variety of biological technologies are going to wind up having even more impact on us, because they'll cure our diseases.

But the biology stuff doesn't get to happen unless we get another 20 years of computing to happen. Suppose you sequence the human genome. You will have this thing that sits on a CD-Rom, and you're going to analyze it with computers. Writing it all out, all these strings of AGCT, is no fun at all. So the enormous revolution in biology that is about to take place is highly dependent on computing. Ultimately it's going to have a bigger impact. Certainly in another 20 or 30 years, as I'm entering my 60's, I'm hoping it'll have an impact.

My kids asked me the other day what the human genome project was about. I have these twins who are about 8 now. They'd heard about it, and they'd heard about DNA, and so I explained what people were doing. They said, well Daddy, why are they doing that? I replied by the time you're my age there may not be cancer or a whole bunch of other diseases. So they thought for a minute, one of them said by the time we're your age? Daddy, it might be too late for you! And it might. But the technology age fortunately isn't too late for me. I am a little bit in the thick of it. As everyone is right now.

JB: The Net shakeout has begun. Any comments?

MYHRVOLD: I wrote an article in Slate about the economics of the Web, where I pointed out that there were no economic models regarding the content creation on the Web. At this point. The blunt way to put that is the word that usually follows manic is depressive. The phase of enormous uncritical not well-thought out enthusiasm for the Net which we've seen in Wall Street and many other ways in the last 12 months is going to give way to a period of time where people are very negative, at least about some aspects of it. Some of the corrections that we're going to see the market make are going to be too far the other way. In the same sense that they were crazy high six months ago they're going to be crazy low six months from now. Roughly speaking.

So that's one effect. The second effect is that even setting aside the market being overly negative, it's just basically true that many of these things don't have a lot of basis in reality. They never did. Or they did at one time and now events have changed. If you look at television as an example: TV ultimately developed both a strong subscription version, which is cable, and a strong advertising version which is ordinary broadcast television. It's a great example of a new medium that developed both, but it developed both over a period of about 30 years. It took a while for the major advertisers to shift their advertising budgets from print and billboards and those cute little Burma Shave signs that they used to have in the 30's. Those people had a hard time shifting to television. Similarly the advertisers of the world spend billions and billions of dollars, but they're not going to shift those billions, which is a central part of their business, until they understand the medium more, until there's more people there and until the techniques of Web advertising are understood better.

All those things take time. It doesn't happen overnight. A lot of the problem with the Web comes from mis-extrapolating. There are some curves that are rising enormously fast. Like take the number of people who get on the Internet. That curve is going like a rocket. That's because it's easy for people to get on the Net. A hundred million people have personal computers, of one variety or another, and they're not on the Web yet. Getting on the Web means getting a modem, which for most of those people are already built into their computer; getting some free software, and signing up to a service where someone may give you up to a year free to get on the service. The barrier to getting on the Net is very low, and the pressure's very high, because you hear about it constantly. And all your friends are on it. Pretty soon everyone who's even half awake is going to be on the Web, in some form or another. Maybe just for email, maybe just for limited exploration; but they'll be there. That curve grows very very fast.

On the other hand, the curve for getting advertisers to support content sites is based on a fundamentally different dynamic. It's about people having success with Web advertising. It's about ad agencies understanding how to do it. Unfortunately the center of gravity of the advertising world has been broadcast, which is a quite different medium, quite different set of techniques. Getting the people in the board rooms of America and the rest of the world to decide to shift billions away from something that they're very comfortable with over to the Net takes time. A much longer period of time than it takes millions of people to say "Oh, what the hell, I'll answer that free offer and get on the Net." But if you take those curves extrapolated from one phenomenon and move them over to another, you make the wrong decision.

To keep it in perspective the early days of the personal computer industry were just as tumultuous. Just the stakes were smaller, and nobody gave a damn.

At The West Coast computer fair, there was a point where you could have gone and Steve Jobs and Mike Markkula would have run your credit card and sold you an Apple I. Many of the companies of that era tanked. There was a company called Gavalan that made the first portables. Some companies were spectacularly successful, and then fell right off, like Osborne Computer.

That example is being played out today on the Net. The Net is way more central to society, so it's been hyped far more than early PCs were. Because it threatens potential entertainment, content and communications, the stakes are enormously higher. Instead of companies going through five million dollars of venture capital funding, and tanking, as they did in the early 80's, today they get an instant IPO valuation of five hundred million dollars, and then tank. So they have a hundred to one difference to scale.

JB: To Bill's credit, he told me that Microsoft, among a few other large companies, was prepared to lose a lot of money for at least three years. It would then be interested to see who was left standing. Isn't it interesting that companies can call themselves successful when they've never had a profitable quarter? What does it say about culture, economics, when some of the leading companies in the field have never shown a profit.

MYHRVOLD: Not only have they not shown a profit, some of them don't even have any cash flow (speaking broadly, not just the companies you mentioned). The one counter-example I can give you is Craig McCaw, who became a billionaire without ever turning a profit. There was only one year when McCaw Cellular was profitable and it was because of an asset sale, it wasn't because of operations. Now the flip side is that they did have cash flow. The reason they weren't making a profit is they were continually building up their network, which clearly was a good decision.

However, we are living in the realm of expectations so much that ultimately it becomes difficult to fulfill those expectations. It's a perfectly reasonable statement regarding some set of Internet companies to say "this company may be enormously important in five years." However that quickly becomes, "if it's going to be important in five years, then it's going to be a real rising star in two years." That means I have to buy the stock now, and that winds up getting the company fully valued, such that some companies over the course of last year, have had values that are in excess of anything you could imagine for their business outlook in five years under reasonable expectations. To a degree that was crazy; to a degree that was actually fairly sane. Mostly it was crazy. The problems start to happen when you get people's expectations up too high. Once they start getting disappointed, then they wind up crashing things unrealistically low. We're likely to see a variety of cycles of Internet popularity. I don't mean national popularity of the Net, but in terms of punditry, in terms of the business, we're going to see a cyclical phenomenon where people get way too excited, and then way too depressed. This is sad, because it's going to hurt some very legitimate companies and some very legitimate ideas.

JB: When we last talked, you were in charge of Micrsoft's online stuff. Are you out of that now?

MYHRVOLD: Well, I'm Chief Technology Officer for the company, and that includes all of our efforts including online stuff and other things. It's more like I took on additional work.

JB: What does the Internet mean to you now?

MYHRVOLD: The most interesting aspect of the Internet is none of the technology features; it's putting people in communication with one another, very broadly. Whether that's through Web sites that allow people to publish to a large audience with amazing efficiency and lower cost per unit people that you communicate with; or it's email or Chat or other means to put people in more direct two-way communication. The strength of the Internet is with what people will do with that communication capability. There's cool parts of the underlying technology that send things around. But people are too obsessive about the technology and not obsessive enough about what people are going to do with it. People have focussed enormously on browsers and the browser world, but the browser is only as useful as the stuff you're looking at with it. Sure, it's a nice thing, and for us software guys that want to get down to the guts of it there's a variety of strengths and weaknesses and we can be plenty fascinated. But in terms of people, what matters is the information they can do. You see that in the enormous excitement about Java, which I'm something of a curmudgeon about. In general, in computer science for as long as there's been computer science, there have been trends where people say "I have a new programming language which will set us all free". Programming languages ultimately solve very little. Programming languages allow people to express their ideas as software perhaps a little bit easier. But the really interesting thing is the programs! So you have to say the interesting thing about Java will be programs people create in Java. Now will there be programs they create in Java they couldn't have created any other way? Highly unlikely. They might be a little easier, they might not, and we'll have to see how it develops. But a market which is obsessed with the tools and the appurtenances rather than the actual effects is clearly focussing on the wrong thing. If any sanity reigns, a year from now we'll find people are going to be focussing on what people are using the Internet for, what people are using these tools for, and not on the tools and the standards and the things themselves. Within the computer industry they're of huge interest, obviously; we're all about tools and protocols and standards and all that other stuff. As we should be. But in terms of what people should really care about, very broadly, it isn't that stuff. No one goes to a Frank Lloyd Wright house and says God, I wonder what kind of cement he used! You see some great painting in the Met and you say, God, I wonder what sort of pigments there were. Or - my favorite example - who's the most powerful entity in Hollywood. Kodak? It's all their film. Or maybe Panavision. It's all their cameras. Well, if you said that to Steven Spielberg or anybody else in the film industry, they'd laugh. Sure, they use Kodak film and sure, we use Panavision cameras, but it's what we do with it that actually matters.

JB: Can you talk about R&D at Microsoft?

MYHRVOLD: We realized a number of years ago that in order for personal computing to move forward the companies that were involved in it would have to start doing research, and developing new technology very rapidly. But for a long time the technical agenda for little computers was set by big computers. In the early days of the personal computer industry, people would say well when are you going to have multi-tasking or multi-processors. There's a whole laundry list of features that first existed on mainframes or minicomputers. The workstation guy inherited that list and they ticked a whole bunch of the things off; the personal computer industry inherited that list and ticked a whole bunch of things off. It was clear even six years ago to us that that day would be coming to an end relatively soon, that we would have done everything big computers did. And, in fact, given the horsepower that was going to be available in microprocessors, our little computers wouldn't be little any more. Our little computers would soon have more computing power than a big computer of that era. Certainly if you take just the machines I have under my desk here, or take the hottest machine you can buy today - 200 megahertz Pentium with 64 megabytes of RAM, etc. - well that's vastly more powerful than workstations or minicomputers of five or six years ago.

We realized that we couldn't keep implementing somebody else's agenda; we had to develop new things. Many people in the computer industry did develop new things; I don't mean to say that the personal computer industry was all about slavish copying. But, you know, the graphic user interface is a great thing for Apple; it was a great thing for Microsoft, and others - so thank God there was a Xerox to invent that in the 70's. So Apple and Microsoft and others could spend the 80's implementing that cheaper, more efficiently, and extending it. At some point though we can't rely on companies like Xerox or the old line hardware companies. Most of the development of the computer that was done privately was done by two kinds of companies. It was either done by companies not in the computer business, like AT&T, the height of Bell Labs for many many years - during the height of their computer research - was at a time that it was against the law for AT&T to be in the computer business. Xerox is a company that wasn't in the computer business that did a tremendous amount of research there. Or, it was hardware companies: IBM, DEC and others. We thought that there should be research done by software companies - or a, done by PC industry companies, or by software companies. We started investing in it, 5 or 6 years ago; we've built a quite large and I think quite successful research group; we've got about 170 people in it. And over the course of the next few years we're going to dramatically increase the size of that and keep it growing with the company.

JB: What kind of budget are you talking about?

MYHRVOLD: We're still working that out, but one of the things that's funny is that you've got to work hard to grow something as fast as the rest of Microsoft, so in the last couple of years our spending as a percentage of our overall spending, in research, has declined even while we increased research, we just didn't increase research as fast as the rest of the company. We can look at reversing that, and continuing to grow the research group.

The thing about research is of course the total effect is not directly proportional to the total amount of money you spend. You don't want to have warm bodies there, you want to have THE best people you possibly can. And that's always been a constraint on research expansion.

In areas like databases we have people like Jim Gray, who are one of the regional founding fathers of relational databases and transactional technology. In graphics we have arguably one of the best groups in the world; we have people like Jim Kajiya and Jim Blinn, Andrew Glasner, Alvy Ray Smith, and a host of other graphics researchers. In speech recognition we have a very strong team that has people from Carnegie Mellon and other leading universities. In natural language we have a very strong team. In programming tools and programming technology - which is very important to us because we use that technology ourselves - we have two or three very strong teams. So across the board - we also have a bunch of people who have been in the industry for a long time and have a tremendous track record, as generalists. Butler Lampson, who was there at PARC when the great things occurred and was a leader at DEC Research. Gordon Bell, who helped develop the Vax, and championed the it and Ethernet, championed the whole bunch of other major technological things at DEC -works for us. Charles Simonyi is another guy who has been involved in key things in computing at every stage — he has been a longtime Microsoft employee, but wrote the first graphical word processor at Xerox. And through a combination of having young people who've just gotten their P h.D. and are out to conquer the world, and some of these folks who have been conquering it steadily, at least in the research sense, for the last 20 years, I think we're going to have a neat mix.

When I first started recruiting for Microsoft it was a real bitch, because we didn't have a reputation with academics for being a research place. Academics are often quite conservative; the places they like to go to have a history of 50 or 100 years like Stanford, MIT or Carnegie Mellon.

We had to start one of those without having that long history. At first it was difficult to get people, serious people, to be interested in us as a research place. As a development place we were well-known, but particularly five or six years ago the company was known in academic circles mainly for DOS, which didn't make lots of computer scientists want to come work here. But we persevered, and hired a few good people and then they helped us hire more, and those helped us hire more, so now it's such an interesting environment to be in that recruiting is a whole lot easier than it was back then.

One of the things that we thought was very important was establishing a research culture where we didn't have an us-vs-them attitude between research and the product. Or an ivory tower attitude - there's a variety of ways you can describe this - where you get a dysfunctional relationship between the people that have to ship your products, which is what ultimately pays the rent, and the people who are doing research. Part of our proposition was that that needn't be a big gulf between the two. Of course you're not going to force your researchers to go out and fix bugs in the next version of Office. They wouldn't find that very fun, and actually the people that work in Office would say, What, are you kidding? They don't know enough about it to go do that. You don't want to ask people who are fixing bugs on the next version of Office to say, Oh, and in your spare time we'd like you to do a whole bunch of research. They're different activities. But there's a tremendous amount of synergy that can come from having a good relationship between the people in research and product groups. We've had dozens of things spin off from research into the product groups, to the point that I don't think you could find a major product at Microsoft that doesn't have some code or some significant technology from research. They all do, at this stage.

JB: Given its culture, can Microsoft ever be as open as a Bell Labs?

MYHRVOLD: We do that already. Having a lab which is closed and buttoned down and secretive is ultimately counterproductive. Because you're only going to have a small fraction of the world's smart people working for you; you're never going to hire them all. By being part of a larger research community you get the benefit of people criticizing - or supporting - the work that you do. We encourage people to publish - in fact at the last Siggraph conference, 20% of the papers at the conference were from people at Microsoft. If you look in other disciplines you'll find that people from Microsoft are not only key contributors to conferences and are very open about their work, they help organize the conferences. They're on the editorial boards of journals, and other things. We think it's very important to maintain an open environment.

At the same time, you can maintain an open environment and still get plenty of proprietary value out of things you invent, because you understand them best, because there's a variety of ways of protecting your intellectual property. So there's no contradiction between running research as something that will ultimately yield a great profit and doing great open research. There isn't a problem. People think there is, but there isn't. The main difference between research and one of our other product groups is not a profitability issue. Research is already very profitable for us, if you count the value of things that have moved across.

It's more of a time-scale issue and a predictability issue. Research is much harder to predict when it's going to be valuable to you, or, when you start a project, if it's going to be valuable to you. We have a variety of things in speech understanding and natural language understanding, and other areas, where the potential for it to be enormously valuable for us is there. But it's very hard to say, that'll occur in one year, two years, five years - or maybe never. If you have the ability to sit back and say fine, we'll take the risk on that, then you'll get a great return on it. But it's not something where you can manage by saying what's our benefit, our profit, next quarter, from research. It doesn't work that way.

MYHRVOLD ON ALSOP: At one of his conferences, Stewart was talking to someone and got him pissed off. The guy walked off in a huff, and Stewart turned around to me and said, "Well, I guess they don't come here because I'm just nice to them and say what they want to hear." I said, "well Stewart, you're enormously lucky to have found an industry that, not only tolerates you, it richly rewards you for being that way".

One thing I'm fascinated to find out is how Stewart likes being a venture capitalist.

MYHRVOLD ON BARLOW: John is entertaining as hell. It's fortunate that this Internet thing came along, because being an outrageous rancher and Grateful Dead lyricist was clearly not as exciting going forward as this promises to be. He's got a new cause to champion. I think he loves being outrageous.

BROCKMAN ON BRAND: I love Stewart. Stewart has been surfing at the edge of culture, and the edge of ideas that are forming culture, for longer than any of us, and he has a wisdom that comes from that you don't see in so many of the people that don't have that perspective.

MYHRVOLD ON DOERR: John's a fascinating guy. You wonder what would happen to poor John if he had been born in an era where you couldn't use email and cellular telephony. Imagine John firing off all his missives by pony express! It would have been very frustrating to somebody like him.

Clearly he's an enormously successful venture capitalist. He has started dozens of companies that have gone on to be successful - and a few that haven't, but that's kind of part of the game.

Archetype? Hard to say. I saw somebody had suggested Matchmaker; that's probably sounds a little more appropriate to me than Coach. But it's some combination of the two.

MYHRVOLD ON DYSON: Esther is a great pattern recognizer. Some of the patterns she has recognized haven't panned out, or panned out in unusual ways. I'm amused that her Eastern Europe conference is held in Portugal this year because the Eastern Europeans told her they wanted to go someplace warm.

MYHRVOLD ON HILLIS: Danny is a great example of the brilliant MIT hacker. At one point 80% of computing was the brilliant MIT hacker - these days it's broadened, but Danny is still the key example of that.

MYHRVOLD ON LANIER: Someone forwarded a piece of mail from him saying it was charming. I also concluded that it was charming, but I didn't agree with a word of it. That applies not only to the mail but maybe to many aspects of Jaron: I don't agree with a lot of what he says, but he is charming and brilliant.

MYHRVOLD ON MARKOFF: He embodies some of the best of both journalism skills and understanding, There are very few people who have both who write about the industry. In fact, most people who understand the industry well enough just get involved with it directly — John's missing out by just writing about it.

MYHRVOLD ON McNEALY: The best thing I can say about Scott is something he said about himself which was recently quoted in the press. Someone asked him a technical question and he said, "I don't know, I'm not a computer scientist. I majored in golf". You know something? I bet he did.

MYHRVOLD ON SAFFO: Oracle's a good archetype for him. The oracles of old would say things that were incredibly prophetic and they would also say a lot of stuff that was hard to interpret. Saffo isn't alone here. It comes with being in the futurist business.

MYHRVOLD ON SIEGELMAN: He's the Doer, because he does things. He implements and runs. We'd love to have Russ back working at Microsoft. He's incredibly focussed and incredibly great at implementing things. Maybe the Builder would be another one.

MYHRVOLD ON STONE: Linda is just amazing — she is a force to be reckoned with. I first heard about Linda when my brother was head of evangelism for Microsoft, and Linda was doing evangelism for Apple, and was enormously successful. I asked him what army of people Apple had to get such great treatment, especially given Apple's many sins. He replied "it's an army all right — but a one-person army. Her name is Linda Stone."


Lew Tucker and Steve Lohr on "THE CHEF" (Nathan Myhrvold)

From: Lew Tucker
Submitted: 1/23/97

Since Myhrvold is in general forward thinking in his views, it is hard to understand his "something of a curmudgeon" stance on Java. He correctly points out that researchers in computer science periodically proclaim some new programming language as being the one which will free us all from the drudgery of actually programming computers, but by focusing on Java the language, Myhrvold may be missing what has so many people excited and why it is being embraced by the industry.

Java is not just another language, but needs to be thought of as a software platform that directly addresses issues that are important for the Internet: dynamic network loading of functionality, program safety and verification, security management, and most importantly, the ability to run a Java program on practically anyone's operating system. This is the "ubiquity" play that allowed HTML to have such a dramatic impact - transforming the pre-Web Internet into what we have today. Java isn't the first attempt to address these issues - virtual machines and portable byte codes have been done before. But by bringing it all together into a single software platform and getting it adopted by the major players, remarkable things can begin to happen. No guarantees, but each new twist causes us to think about problems slightly differently and that's what can lead to fundamental changes in the way we work and use the systems around us.

As Myhrvold says, "the interesting thing about Java will be the programs people create in Java". So what will these programs do and how will Java effect what gets developed? When I was a research director at Thinking Machines we were faced with the problem of how to use massively parallel machines to solve computational problems. Over time we became pretty good at exposing the inherent parallelism in each problem because we weren't afraid to think of the solution in terms of having available millions of "virtual" processors . This often led to elegant solutions that were efficient even on only moderately parallel or serial machines.

With the Internet I believe we are facing a similar situation in that we need to stop thinking about desktops and servers and to start thinking about writing software for the Net. What then will it mean to "program the Net"? I don't really know myself, but judging from the number of Java developers itching to develop applications and services that are designed to live in the Net and care little about the underlying hardware system, I'm sure it won't be long before we find out.

LEW TUCKER, trained as a biologist, is the former director of Advanced Development at Thinking Machines Corporation and is the director of JavaSoft's Corporate and ISV Relations for Sun Microsystems, Inc.

From: Steve Lohr
Submitted: 1/17/97

Nathan Myhrvold is a futurist with a nice sense of historical analogy. But I've often wondered if there isn't something basically flawed in the television analogy, whether cable or broadcast, that Myhrvold mentions in the interview, and Ted Leonsis of AOL always invokes.

The big guys in the on-line world, like AOL and MSN, are building large audiences and, once the user is inside the tent, they try to offer something for everyone. It's sort of a mixture of the old world— TV-style huge audiences — and a new one — the special-interest offerings so suited to computer networks. But in the long run, I don't really see the benefit of the so-called aggregation model (the AOL approach). The ease-of-use benefit is a real one, but it should diminish over time, unless the Net is never going to be the big deal as a consumer medium that everyone's betting it will be. The only other reason for aggregation, it seems, is the corporate one (we're big, so a business has to be big to matter to us).

I'm probably wrong, but it seems to me that the content side of the Net may not be a field in which big corporations have a real advantage. Unless, of course, the "pushers" (speaking of the technology) prevail, and the Net becomes television — no analogy required.

STEVE LOHR is a technology reporter for The New York Times.

David Lykken on Steven Pinker's "Organs of Computation"

From: David Lykken
Submitted: 1/21/97

There is much to agree with among Steven Pinker's interesting comments. Evolutionary psychology does provide a provocative and heuristic perspective, helping us to "reverse engineer" and understand the species- specific characteristics of the human brain. John Locke and J.B. Watson both were wrong in supposing that the mind begins as a tabula rasa and the many modern-day cognitive psychologists who still treat the brain as only a general-purpose computer also are wrong. In addition to its general-purpose computer function, the human brain contain numerous ROMs or special-purpose modules for learning language, recognizing faces, and the like.

BUT, like Tooby & Cosmides, Gould, and other evolutionary biologists, Pinker makes the odd mistake of arbitrarily assuming that all of the genetic diversity that permitted natural selection to evolve the human brain has now been exhausted and that individual psychological differences that we observe today are all environmentally produced (as in his example of one- and no-legged men). In other words, all human babies today, unlike Paleolithic times, have brains like so many new Mac computers, waiting to be programmed. This is wildly improbable on evolutionary grounds (e.g., if there is abundant genetic diversity in the psychology of domestic animals, as Darwin himself observed, as well as in the anatomy and physiology of humans, as any child can observe, why is the human brain the sole exception?

And it is a notion that can only be entertained by resolutely ignoring several decades of behavior-genetic research. At my University, we have shown that 69 pairs of monozygotic twins, separated in infancy and reared apart, correlate about .75 in IQ and .53 in a measure of happiness or subjective well-being. (This includes two sets of MZA triplets, each treated as three pairs of MZA twins.) The corresponding correlations on large samples of MZ twins reared together and also tested as adults are virtually identical. What this shows (except to eyes that will not see) is that from about 25% to 75% of the population variance in psychological traits is associated with genetic variance. These variance or heritability estimates apply of course only to the broad middle-class of the western countries from which these samples were drawn and would be smaller in countries or sub-cultures where the environmental variance is greater. But the fact remains that human brains not only have an innate structure that was "engineered" by evolution, but they also vary innately one from another in as many ways as we have been able to measure.

The only explanation I can see for the refusal of evolutionary biologists to acknowledge these facts is political correctness and/or fear of controversy. Those are both bad reasons. -

David Lykken

DAVID T. LYKKEN is a behavioral geneticist at the University of Minnesota who recently published the results of a study of 1500 pairs of twins in the May issue of Psychological Science. He is the proponent of a set-point theory of happiness, the idea that one's sense of well being is half determined by genetics and half determined by circumstances. His research illustrates that a person's baseline levels of cheerfulness, contentment, and psychological satisfaction are largely a matter of heredity.

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