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Sunday, November 30, 2008

Essay

The Well-Tended Bookshelf

Illustration by Adam Simpson

Published: November 28, 2008

In order to have the walls of my diminutive apartment scraped and repainted, I recently had to heap all of my possessions in the center of the room. The biggest obstacle was my library. Despite what I like to think of as a rigorous “one book in, one book out” policy, it had begun to metastasize quietly in corners, with volumes squeezed on top of the taller cabinets and in the horizontal crannies left above the spines of books that had been properly shelved. It was time to cull.

I am not a collector or a pack rat, unlike a colleague of mine who once expressed the fear that he might perish someday under a toppled pile of books and papers, like a woman whose obituary he once read. I was baffled the first time a friend explained to me that the book in my hand was his “reading copy,” while the “collection copy” resided upstairs, in some impenetrable sanctum. Having reviewed hundreds of books over the past 20-some years, I no longer subscribe to the notion that I have a vague journalistic responsibility to keep a copy of every title I have ever written about. I am not sentimental.

Nevertheless, things had gotten out of hand. The renovations forced me to pull every copy off every shelf and ask: Do I really want this? I filled four or five cartons with volumes destined for libraries, used-book stores and the recycling bin, and as I did so, certain criteria emerged.

There are two general schools of thought on which books to keep, as I learned once I began swapping stories with friends and acquaintances. The first views the bookshelf as a self-portrait, a reflection of the owner’s intellect, imagination, taste and accomplishments. “I’ve read ‘The Magic Mountain,’ ” it says, and “I love Alice Munro.” For others, especially those with literary careers, a personal library can be “emotional and totemic,” in the words of the agent Ira Silverberg. Books become stand-ins for friends and clients. Silverberg cherishes the copy of Céline given to him when he was 19 by William Burroughs, while “people I’ve stopped talking to go out immediately. There are people whose books I refuse to live with.”

The other approach views a book collection less as a testimony to the past than as a repository for the future; it’s where you put the books you intend to read. “I like to keep something on my shelf for every mood that might strike,” said Marisa Bowe, a nonprofit consultant and an editor of “Gig: Americans Talk About Their Jobs.” At its most pragmatic, and with the aid of technology, this attitude can be breathtakingly ruthless. Lisa Palac, a freelance writer, and Andrew Rice, a public relations executive, ultimately chose their beloved but snug house in Venice, Calif., over their library. “We’d been lugging these books around for years, and why?” Palac wrote in an e-mail message. Her husband said, “Do we really need to keep that copy of ‘The Scarlet Letter’ from college on hand? I can order up another copy online and have it tomorrow if I need it.” They kept only one carton of books apiece, donating the rest to a fund-raising bazaar for their son’s school.

Older people, curiously enough, seem to favor the less nostalgic approach. When you’re young and still constructing an identity, the physical emblems of your inner life appear more essential, and if you’re single, your bookshelves provide a way of advertising your discernment to potential mates. I’ve met readers who have jettisoned whole categories of titles — theology, say, or poststructuralist theory — that they once considered desperately important. Most of them express no regrets, although Nicholson Baker, who wrote an entire book protesting the “weeding” of books and periodicals from American libraries, still mourns the collection of science fiction paperbacks he discarded in his youth. “I’m not good at it,” Baker wrote in an e-mail message when asked about his own culling. “When I’m doing research, I buy lots of used, out-of-print books, preferably with under­lining and torn covers. I like watching them pile up on the stairs.”

For the most part, I’ve been pragmatic in my purging, and for years reference books were the most likely survivors. I needed them for work, for those occasions when I suddenly had to know at what age Faulkner published “Absalom, Absalom” (39) or the name of the Greek muse of lyric poetry (Euterpe). Now the Internet can tell me all that. Apart from the rare reference that’s worth reading in its own right, like David Thomson’s Biographical Dictionary of Film, these titles have been drifting away as the trust I’m willing to put in Wikipedia gradually equalizes with the faith I’ve invested in, say, Benet’s Reader’s Encyclopedia. (It doesn’t help that reference books tend to be shelf hogs.)

Nevertheless, most of the nonfiction I’ve kept consists of books I’ve already read and know I’m likely to refer to in my own writing. Richard Holmes’s biography of Coleridge has come in handy for more than one project, as has Carol J. Clover’s study of slasher films, “Men, Women, and Chainsaws.” In fiction, on the other hand, apart from a few choice favorites, the list is weighted toward classics I optimistically plan to get around to someday. Like John Irving, I hold one substantial unread Dickens novel (“Barnaby Rudge”) in reserve, for emergencies. This method has its pitfalls. The novelist Jonathan Franzen used to limit the unread books on his shelves to no more than 50 percent of the total. “The weight of those books seemed to represent a standing reproach to me of how little I was reading,” he said in a phone interview. “I want to be surrounded by books I love, although now sometimes I worry that it’s too familiar, what I see when I look around me, that it’s become a sort of narcissistic mirror.”

When it comes to novels, I’m probably too sanguine about what my future can accommodate. “Eventually the truth hits home,” Brian Drolet, a television producer in New York, told me. “As the actuarial tables advance, the number of books you’ve got time to read diminishes.” Dr. Johnson once said of second marriages that they represent the triumph of hope over experience. So, too, do my bookshelves. I have turned out to be less rational about this than I thought, and have made my library into a charm against mortality. As long as I have a few unread books beckoning to me from across the room, I tell myself I can always find a little more time.

Laura Miller is a staff writer for Salon and the author of “The Magician’s Book: A Skeptic’s Adventures in Narnia,” which has just been published.



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Privacy vs digital life

You’re Leaving a Digital Trail. What About Privacy?

Jodi Hilton for The New York Times

About 100 students at M.I.T. are trading privacy for a smartphone that tracks their calls, messages and movements.

Published: November 29, 2008

Cambridge, Mass.

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Jodi Hilton for The New York Times

A smartphone experiment at M.I.T. will build a moving picture of interaction in a dorm. The phones generate digital trails to be beamed to a central computer.

HARRISON BROWN, an 18-year-old freshman majoring in mathematics at M.I.T., didn’t need to do complex calculations to figure out he liked this deal: in exchange for letting researchers track his every move, he receives a free smartphone.

Now, when he dials another student, researchers know. When he sends an e-mail or text message, they also know. When he listens to music, they know the song. Every moment he has his Windows Mobile smartphone with him, they know where he is, and who’s nearby.

Mr. Brown and about 100 other students living in Random Hall at M.I.T. have agreed to swap their privacy for smartphones that generate digital trails to be beamed to a central computer. Beyond individual actions, the devices capture a moving picture of the dorm’s social network.

The students’ data is but a bubble in a vast sea of digital information being recorded by an ever thicker web of sensors, from phones to GPS units to the tags in office ID badges, that capture our movements and interactions. Coupled with information already gathered from sources like Web surfing and credit cards, the data is the basis for an emerging field called collective intelligence.

Propelled by new technologies and the Internet’s steady incursion into every nook and cranny of life, collective intelligence offers powerful capabilities, from improving the efficiency of advertising to giving community groups new ways to organize.

But even its practitioners acknowledge that, if misused, collective intelligence tools could create an Orwellian future on a level Big Brother could only dream of.

Collective intelligence could make it possible for insurance companies, for example, to use behavioral data to covertly identify people suffering from a particular disease and deny them insurance coverage. Similarly, the government or law enforcement agencies could identify members of a protest group by tracking social networks revealed by the new technology. “There are so many uses for this technology — from marketing to war fighting — that I can’t imagine it not pervading our lives in just the next few years,” says Steve Steinberg, a computer scientist who works for an investment firm in New York.

In a widely read Web posting, he argued that there were significant chances that it would be misused, “This is one of the most significant technology trends I have seen in years; it may also be one of the most pernicious.”

For the last 50 years, Americans have worried about the privacy of the individual in the computer age. But new technologies have become so powerful that protecting individual privacy may no longer be the only issue. Now, with the Internet, wireless sensors, and the capability to analyze an avalanche of data, a person’s profile can be drawn without monitoring him or her directly.

“Some have argued that with new technology there is a diminished expectation of privacy,” said Marc Rotenberg, executive director of the Electronic Privacy Information Center, a privacy rights group in Washington. “But the opposite may also be true. New techniques may require us to expand our understanding of privacy and to address the impact that data collection has on groups of individuals and not simply a single person.”

Mr. Brown, for one, isn’t concerned about losing his privacy. The M.I.T researchers have convinced him that they have gone to great lengths to protect any information generated by the experiment that would reveal his identity.

Besides, he says, “the way I see it, we all have Facebook pages, we all have e-mail and Web sites and blogs.”

“This is a drop in the bucket in terms of privacy,” he adds.

GOOGLE and its vast farm of more than a million search engine servers spread around the globe remain the best example of the power and wealth-building potential of collective intelligence. Google’s fabled PageRank algorithm, which was originally responsible for the quality of Google’s search results, drew its precision from the inherent wisdom in the billions of individual Web links that people create.

The company introduced a speech-recognition service in early November, initially for the Apple iPhone, that gains its accuracy in large part from a statistical model built from several trillion search terms that its users have entered in the last decade. In the future, Google will take advantage of spoken queries to predict even more accurately the questions its users will ask.

And, a few weeks ago, Google deployed an early-warning service for spotting flu trends, based on search queries for flu-related symptoms.

The success of Google, along with the rapid spread of the wireless Internet and sensors — like location trackers in cellphones and GPS units in cars — has touched off a race to cash in on collective intelligence technologies.

In 2006, Sense Networks, based in New York, proved that there was a wealth of useful information hidden in a digital archive of GPS data generated by tens of thousands of taxi rides in San Francisco. It could see, for example, that people who worked in the city’s financial district would tend to go to work early when the market was booming, but later when it was down.

It also noticed that middle-income people — as determined by ZIP code data — tended to order cabs more often just before market downturns.

Sense has developed two applications, one for consumers to use on smartphones like the BlackBerry and the iPhone, and the other for companies interested in forecasting social trends and financial behavior. The consumer application, Citysense, identifies entertainment hot spots in a city. It connects information from Yelp and Google about nightclubs and music clubs with data generated by tracking locations of anonymous cellphone users.

The second application, Macrosense, is intended to give businesses insight into human activities. It uses a vast database that merges GPS, Wi-Fi positioning, cell-tower triangulation, radio frequency identification chips and other sensors.

“There is a whole new set of metrics that no one has ever measured,” said Greg Skibiski, chief executive of Sense. “We were able to look at people moving around stores” and other locations. Such travel patterns, coupled with data on incomes, can give retailers early insights into sales levels and who is shopping at competitors’ stores.

Alex Pentland, a professor at the Media Lab at the Massachusetts Institute of Technology who is leading the dormitory research project, was a co-founder of Sense Networks. He is part of a new generation of researchers who have relatively effortless access to data that in the past was either painstakingly assembled by hand or acquired from questionnaires or interviews that relied on the memories and honesty of the subjects.

The Media Lab researchers have worked with Hitachi Data Systems, the Japanese technology company, to use some of the lab’s technologies to improve businesses’ efficiency. For example, by equipping employees with sensor badges that generate the same kinds of data provided by the students’ smartphones, the researchers determined that face-to-face communication was far more important to an organization’s work than was generally believed.

Productivity improved 30 percent with an incremental increase in face-to-face communication, Dr. Pentland said. The results were so promising that Hitachi has established a consulting business that overhauls organizations via the researchers’ techniques.

Dr. Pentland calls his research “reality mining” to differentiate it from an earlier generation of data mining conducted through more traditional methods.

Dr. Pentland “is the emperor of networked sensor research,” said Michael Macy, a sociologist at Cornell who studies communications networks and their role as social networks. People and organizations, he said, are increasingly choosing to interact with one another through digital means that record traces of those interactions. “This allows scientists to study those interactions in ways that five years ago we never would have thought we could do,” he said.

ONCE based on networked personal computers, collective intelligence systems are increasingly being created to leverage wireless networks of digital sensors and smartphones. In one application, groups of scientists and political and environmental activists are developing “participatory sensing” networks.

At the Center for Embedded Networked Sensing at the University of California, Los Angeles, for example, researchers are developing a Web service they call a Personal Environmental Impact Report to build a community map of air quality in Los Angeles. It is intended to let people assess how their activities affect the environment and to make decisions about their health. Users may decide to change their jogging route, or run at a different time of day, depending on air quality at the time.

“Our mantra is to make it possible to observe what was previously unobservable,” said Deborah Estrin, director of the center and a computer scientist at U.C.L.A.

But Dr. Estrin said the project still faced a host of challenges, both with the accuracy of tiny sensors and with the researchers’ ability to be certain that personal information remains private. She is skeptical about technical efforts to obscure the identity of individual contributors to databases of information collected by network sensors.

Attempts to blur the identity of individuals have only a limited capability, she said. The researchers encrypt the data to protect against identifying particular people, but that has limits.

“Even though we are protecting the information, it is still subject to subpoena and subject to bullying bosses or spouses,” she said.

She says that there may still be ways to protect privacy. “I can imagine a system where the data will disappear,” she said.

Already, activist groups have seized on the technology to improve the effectiveness of their organizing. A service called MobileActive helps nonprofit organizations around the world use mobile phones to harness the expertise and the energy of their participants, by sending out action alerts, for instance.

Pachube (pronounced “PATCH-bay”) is a Web service that lets people share real-time sensor data from anywhere in the world. With Pachube, one can combine and display sensor data, from the cost of energy in one location, to temperature and pollution monitoring, to data flowing from a buoy off the coast of Charleston, S.C., all creating an information-laden snapshot of the world.

Such a complete and constantly updated picture will undoubtedly redefine traditional notions of privacy.

DR. PENTLAND says there are ways to avoid surveillance-society pitfalls that lurk in the technology. For the commercial use of such information, he has proposed a set of principles derived from English common law to guarantee that people have ownership rights to data about their behavior. The idea revolves around three principles: that you have a right to possess your own data, that you control the data that is collected about you, and that you can destroy, remove or redeploy your data as you wish.

At the same time, he argued that individual privacy rights must also be weighed against the public good.

Citing the epidemic involving severe acute respiratory syndrome, or SARS, in recent years, he said technology would have helped health officials watch the movement of infected people as it happened, providing an opportunity to limit the spread of the disease.

“If I could have looked at the cellphone records, it could have been stopped that morning rather than a couple of weeks later,” he said. “I’m sorry, that trumps minute concerns about privacy.”

Indeed, some collective-intelligence researchers argue that strong concerns about privacy rights are a relatively recent phenomenon in human history.

“The new information tools symbolized by the Internet are radically changing the possibility of how we can organize large-scale human efforts,” said Thomas W. Malone, director of the M.I.T. Center for Collective Intelligence.

“For most of human history, people have lived in small tribes where everything they did was known by everyone they knew,” Dr. Malone said. “In some sense we’re becoming a global village. Privacy may turn out to have become an anomaly.”

More Articles in Business » A version of this article appeared in print on November 30, 2008, on page BU1 of the New York edition.

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Friday, November 07, 2008

Eco-friendly RV


The Green RV

Geoff Bugbee for The New York Times

POWERING UP Brian Brawdy is touring the country in a modified Lance Camper to promote energy-efficient travel. He parked in Cherokee Park in Louisville, Ky., to collect sun with his solar panels.

Published: November 7, 2008

OVER the last few years, Sara and Matt Janssen have been downsizing their life. First, they moved from a 1,600-square-foot home to a small apartment in Montana. Then, wanting to tour the country without harming the planet, they took up residence in a recreational vehicle fueled by used vegetable oil.

Interest Guide

Janie Osborne for The New York Times

THE SUSTAINABLE LIFE Matt, Sara and Bella Janssen live in a 36-foot RV,

Geoff Bugbee for The New York Times

Brian Brawdy wants RV-ers to enjoy and help save nature in efficient vehicles.

Janie Osborne for The New York Times

Mr. Janssen fuels up with biodiesel.

Verdier Van & Camper Inc.

FUTURE TRAVEL? Alexandre Verdier designed this biodiesel hybrid camper with GPS-controlled solar panels.

They now travel with their 4-year-old daughter, Bella, spreading the word about the sustainable life.

Recreational vehicles, which get about 8 miles a gallon, are often considered the antithesis of low-impact living. But it doesn’t have to be that way, said Ms. Janssen, speaking by phone from her home, a 36-foot, 1998 Western Alpine Coach, when it was parked in Des Moines recently.

Their motor home has a hot water capacity of only six gallons, “so I know how long my showers are,” said Ms. Janssen, a 31-year old photographer who also works for her father, a developer of franchises for Cold Stone Creamery. The RV’s limited space also means “we can’t buy anything because it won’t fit,” she said.

Add to that a comprehensive remodeling, including nontoxic paints, bamboo floors and the waste-grease fueling system, and the Janssen mobile home “is a self-contained lifestyle,” Ms. Janssen said.

Amid growing interest in alternative-fuel vehicles and environmentally friendly building methods, a handful of designers and do-it-yourselfers are taking on an unlikely challenge: reinventing the motor home, with a goal of transforming the typical wide-body gas guzzler into a model of compact green construction and fuel efficiency.

These modern-day RV owners are using their retooled motor homes as vehicles, literally, to promote ecological awareness as they travel.

“If you can make an RV sustainable, you can make any industry sustainable,” said Ty Adams, a Portland, Ore., resident who spent 2007 visiting 25 states and promoting renewable energy in the BioTrekker, an RV powered by biodiesel, a fuel made from refined vegetable oil. Mr. Adams spent $108,000 for the RV and $12,000 more for the biodiesel upgrade and campaign, which he financed by selling his house.

The trend received a boost a couple of years ago whenWillie Nelson began powering his tour bus with biodiesel, which he called BioWillie, and later convinced other musicians to do the same. But regular RV owners say that their tours serve another purpose besides sustainable travel, namely to reflect a desire for a simpler, if not entirely bygone, era of road tripping and nature appreciation.

“When people talk about conservation, they get so bogged down with recycling and living lightly they forget what they are trying to save," said Brian Brawdy, a 47-year-old former police investigator turned wilderness expert. “I want people to get out there and camp, hike, rock climb."

Mr. Brawdy, a spokesman for Gore-Tex, is on a self-described — and self-financed — “Wonder Explore Believe” tour of the United States in a Lance Camper modified to capture rainwater and use wind and solar energy.

Although hybrid and alternative-fuel RV models have yet to find a mass market, the industry is moving toward fuel-economy prototypes and environmental designs, said Kevin Broom, a spokesman for the Recreation Vehicle Industry Association, which is based in Reston, Va. Individual RV owners are leading the way, he said. An industry survey conducted last year found that about 18 percent of RV owners are already using solar panels, Mr. Broom said.

“As consumers ask for more green elements, manufacturers will definitely respond,” he said, adding that some of the luxury RV models are already replacing ubiquitous vinyl interiors with hardwood. “It comes in on the high end, then works its way down. ”

Mr. Adams is taking another approach after his BioTrekker experience. An avid mountain climber who grew up in Montana, Mr. Adams, 30, described biofuel as his “gateway drug” but said: “Living in the RV for a year made me realize they are not built well. The focus is on whipped cream and faux finishes.”

So last January, Mr. Adams, a former editor for an RV industry publication, sold the BioTrekker and purchased a 37-foot 1994 Safari Trek — “which in RV years is like 1,000,” he said — and partnered with Joseph Treiber, a retired farmer, and Allison Hintzmann, a teacher, on a top-to-bottom environmental redesign. The fruit of their labor is called the SolTrekker, which is painted in Tuscan reds and yellows and includes solar-powered water and electrical systems, a composting toilet, rainwater harvesting system, recycled denim insulation, LED lighting and bamboo interiors.

Shortly after the SolTrekker was completed in September, the vehicle was featured as part of an annual tour of green homes in Portland.

“Most RV-ers care a lot about the outdoors,” Mr. Adams said. “They just don’t want to sleep on the ground; they don’t want to backpack.”

Instead of demonizing RVs, the goal should be to improve their performance, said Mr. Adams, who ultimately envisions a hybrid electric motor home getting at least 50 miles a gallon.

Similarly, Mr. Brawdy, speaking by phone from Cleveland, said: “People RV because they like that sense of independence. I hope it communicates to energy independence as well.”

Over the last year, he has taken his rig to such remote areas as Death Valley and Zion National Park without worrying about plugging in because of his off-the-grid electricity sources.

Mr. Brawdy, who extols the benefits of reconnecting with nature — “dirt is in our DNA” — during appearances at sporting goods stores and other venues, said a bout of skin cancer triggered his interest in renewable energy sources. “I decided to look at the bright side and harness the power of the sun to protect natural resources,” he said, adding that a storm the night before yielded 40 gallons of water from the camper’s rainwater harvesting system.

He said most of what he knows about the camper’s wind turbine and solar panels has come from on-the-road experience — a fact he hopes will encourage others to emulate his example. “I thought I could show the world: ‘Hey, Brian doesn’t look like the sharpest knife in the drawer, so maybe I can have a rig like that, too,’ ” he said.

Others have hopes of taking the environmentally friendly RV much further. Alexandre Verdier, a 35-year-old from Montreal, has designed a prototype camper that includes a diesel hybrid engine and solar panels that are controlled by a global positioning system to capture the maximum amount of sunlight. The vehicle is an update of the classic Volkswagen Westfalia camper van, which was synonymous with the counter culture in the 1970s.

“I did a lot of trips in the Westfalia, so I came up with the idea of a new green version,” said Mr. Verdier, citing as particular inspiration a three-month trip he took with friends around the United States when he was 17.

The design for the Westfalia Verdier won a 2006-7 Innovation for New Mobility prize awarded during the Caravan Salon Düsseldorf in Germany, one of Europe’s largest caravanning exhibition and trade shows. Mr. Verdier said that he was negotiating with a manufacturer and that the vehicles, with an estimated price of $129,000, should be available next summer.

Even for those RV owners already on the road, being a pioneer has its challenges. To fill their 100-gallon tank with used cooking oil, Sara and Matt Janssen scour the landscape for fast-food and mom-and-pop restaurants willing to give away an increasingly valuable commodity. The fueling process itself takes about an hour, Ms. Janssen said, adding that the couple invested in an on-board oil filtration system, which strains the “batter and chicken chunks” before the oil reaches the engine.

It’s a laborious process and “not soccer-mom friendly,” she said.

The Janssens’ current home represents a sort of second chapter to their journey. When they began their trip in September 2007, a venture that they called the Live Lightly Tour and that they documented at www.livelightlytour.com, they were traveling in a 1994 Fleetwood Flair.

Having traded up to their 1998 Western Alpine Coach in September, they figure that they have traveled about 20,000 miles in all and resorted to diesel fuel just once, outside ofAustin, Tex.

“It was our fault,” Ms. Janssen said. “We didn’t start looking early enough.”

She estimates that they saved about $25,000 using the kitchen grease instead of conventional fuel. “We wouldn’t have been able to do the tour if we had had to pay for gas,” she said.

Although the family will live in Bozeman, Mont., for the winter — in their RV — they are contemplating whether to continue the road trip next spring.

But their work, and their old RV, lives on. Last April, the Janssens spent a few days in Plano, Tex., with Jeff and Kim Harrison, who had been following the Janssens’ tour online. The Harrisons, who have a 3-year-old son, Parks, were inspired to buy the Janssens’ original RV and start preparing for their own trip on the road next spring. That means storing used vegetable oil in a 50-gallon barrel as they find it, and testing the RV on weekend trips to visit family in West Monroe, La.

“To be able to travel and not take up more resources than you have to — this is a great way to have it all,” Mrs. Harrison said.


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