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Bendable Glass May Clear the Way to Wearable Devices

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Dick Tracy had one. So did Inspector Gadget and James Bond. Though a watch that doubled as a computer, two-way radio, or TV has been lost to science fiction comics and spy movies, Apple is experimenting.

Dick Tracy had one. As did Inspector Gadget and James Bond. A watch that doubled as a computer, two-way radio, mapping device or television.

Though such a device has been lost to science fiction comics and spy movies of the era before smartphones, the smart watch might soon become a reality, in the form of a curved glass device made by Apple.

In its headquarters in Cupertino, California, Apple is experimenting with wristwatch-like devices made of curved glass, according to people familiar with the company's explorations, who spoke on the condition that they not be named because they were not allowed to publicly discuss unreleased products. Such a watch would operate Apple's iOS platform, two people said, and stand apart from competitors based on the company's understanding of how such glass can curve around the human body.

Apple declined to comment on its plans. But the exploration of such a watch leaves open lots of exciting questions: If the company does release such a product, what would it look like? Would it include Siri, the voice assistant? Would it have a version of Apple's map software, offering real-time directions to people walking down the street? Could it receive text messages? Could it monitor a user's health or daily activity? How much would it cost? Could Timothy D. Cook, Apple's chief executive, be wearing one right now, whispering sweet nothings to his wrist?

Such a watch could also be used to make mobile payments, with Apple's Passbook payment software.

Although it would take Dick Tracy to find the answers to those questions, and it's uncertain when Apple might introduce such a device, it's clear that Apple has the technology.

Last year, Corning, the maker of the ultra-tough Gorilla Glass that is used in the iPhone, announced that it had solved the difficult engineering challenge of creating bendable glass, called Willow Glass, that can flop as easily as a piece of paper in the wind without breaking.

Pete Bocko, the chief technology officer for Corning Glass Technologies, who worked on Willow Glass, said the company had been developing the thin, flexible glass for more than a decade, and the technology had finally arrived.

"You can certainly make it wrap around a cylindrical object, and that could be someone's wrist," Mr. Bocko said. "Right now, if I tried to make something that looked like a watch, that could be done using this flexible glass."

But Mr. Bocko warns that it is still quite an engineering feat to create a foldable device. "The human body moves in unpredictable ways," he said. "It's one of the toughest mechanical challenges."

To add to the excitement of an Apple watch, late last year the Chinese gadget site Tech.163 reported that the company had begun development of a watch featuring Bluetooth and a 1.5-inch, or 3.8- centimeter, display.

"Apple's certainly made a lot of hiring in that area," said Sarah Rotman Epps, a Forrester analyst who specializes in wearable computing and smartphones. "Apple is already in the wearable space through its ecosystem partners that make accessories that connect to the iPhone," she said, adding: "This makes Apple potentially the biggest player of the wearables market in a sort of invisible way."

"Over the long term wearable computing is inevitable for Apple; devices are diversifying, and the human body is a rich canvas for the computer," Ms. Epps said. "But I'm not sure how close we are to a new piece of Apple hardware that is worn on the body."

Investors would most likely embrace an iWatch, with some already saying that wearable computing could replace the smartphone over the next decade.

"We believe technology could progress to a point where consumers have a tablet plus wearable computers, like watches or glasses, that enable simple things like voice calls, texting, quick searches, navigation," Gene Munster, an analyst at Piper Jaffray, said in a report last month. "These devices are likely to be cheaper than an iPhone and could ultimately be Apple's best answer to addressing emerging markets."

Mr. Cook is clearly interested in wearables. In the past he has been seen sporting a Nike FuelBand, which tracks a user's daily exertion. The FuelBand data is shared wirelessly with an iPhone app.

Bob Mansfield, Apple's senior vice president for technologies, who previously ran hardware engineering, has also been particularly interested in wearables, an Apple employee said. Mr. Mansfield is engrossed by devices that connect to the iPhone, through Bluetooth, sharing information back-and-forth from the human body to the phone, including the Nike FuelBand and Jawbone Up.

If smartphones do become smart watches and smart glasses, Apple seems to have the technology to make standout wearable computers.

Last year the company filed patents for displays that sit over the eye and stream information to the retina. Given that the iPod Nano is about the size of an overfed ant, the company clearly knows how to make small devices, too.

But maybe there are other devices coming before wearables. Apple has long been rumored to be working on a television-like experience. And, there is the possibility of an Apple car.

In a meeting in his office before he died, Steven P. Jobs, Apple's co-founder and former chief executive, told John Markoff of The New York Times that if he had more energy, he would have liked to take on Detroit with an Apple car.

In August, during the company's patent trial with Samsung, Philip W. Schiller, Apple's senior vice president for worldwide product marketing, said on the stand that Apple had explored making "crazy stuff" before development of the iPhone and iPad, including a camera or a car. While Apple continues its experiments with wearables, its biggest competitor, Google, is pressing ahead with plans to make wearable computers mainstream.

According to a Google executive who spoke on the condition that he not be named, the company hopes its glasses, with a display that sits above the eye, will become 3 percent of revenue by 2015. Olympus is also working on wearable computers.

Google is holding private workshops in San Francisco and New York for developers to start building applications for its glasses. At the event in San Francisco last week, Hosain Rahman, chief executive of Jawbone, the maker of the Up, a wrist device that tracks people's energy and sleep, said that "a decade from now we won't be able to imagine life without the wearables that we use to access information, unlock our doors, pay for goods, and most importantly track our health."


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