HolidayBuyer's Guide

PCs for the poor: Which design will win?

It's easy to list the benefits of bringing inexpensive computers to the developing world. But designing the machines isn't so simple.

It's easy to list the benefits of bringing inexpensive computers to the billions of people who live in rural villages and urban centers in the developing world.

Village computers allow kids to take classes in areas where schools have closed and let adults learn pricing strategies for their agricultural products. A van rigged with a satellite connection and printers produces inexpensive books for kids in Uganda.

In some countries, like Egypt, a growing technology base holds the promise of a rising middle class, and eventual political stability.

Photos: PCs for the poor

Only about 1 billion, or 16 percent of the 6.5 billion people living today, use the Internet, according to a running tally at Advanced Micro Devices.

Designing machines that are resilient, powerful and cheap enough to reach those not yet online, though, has proven a lot tougher than expected. India's Simputer, an inexpensive handheld, flopped. Brazil has worked for years on a Linux PC for the poor, to no avail.

"Initiatives of this sort need serious consideration from everyone. Developing nations need to start teaching about technology early in schools," said Luis Anavitarte, an analyst at Gartner. "But the reality kind of changes when we look at the costs and the functionality of these devices."

Recently, some new ideas have come to the forefront. Here's a quick rundown of their pros and cons.

The Negroponte machine
What it is: This $100 machine from Nicholas Negroponte and the MIT Media Center runs Linux. The machines can connect to the Internet through each other by way of mesh networking. The system ideally will allow people to connect to the Web even though the wireless, fiber and/or phone system might be spread somewhat thin. Electricity delivery will be innovative: There's a hand crank on the side, and the units can conceivably be powered by bikes or solar power.

Pros: Several partners have lined up behind the computer. Red Hat will produce software, Taiwan's Quanta will make the machines; and AMD will supply the processors. When they emerge at the end of the year, the first 5 million to 15 million units will get shipped to China, Brazil, India, Argentina, Egypt, Nigeria and Thailand.

Cons: To hit the low price, the machine's makers have to leave some things out. The unit comes with only a 500MHz processor and 500MB of local storage (in the form of flash memory--the laptops won't include drives). The units don't sport mainstream applications. Even with these cost-cutting measures, it remains to be seen whether the $100 price point can be achieved in volume manufacturing. "$100 is an extremely optimistic figure," said Gartner's Anavitarte. More likely, the device will cost more, he added. That means governments will have to subsidize it. Unfortunately, the presidents who have welcomed the program have not outlined their fiscal plans.

In addition, computers without hard drives have historically flopped because of slow performance. Small screens have been a turnoff as well. And there's at least nominal PC access, through Internet cafes, in some of these countries. It's an open question, too, how well mesh networking will work.

The thin client
What it is: Thin clients are inexpensive, lightweight terminals that rely on servers to store data and crunch numbers. They're used by banks, airlines and insurance companies in the west, and entrepreneurs such as India's Rajesh Jain and academics like Deepak Phatak and Ashok Jhunjhunwala are promoting them for rural use.

Pros: Because they don't need fast processors or a hard drive, thin clients can be produced for about $100, including a used monitor. Some designs use an existing TV to cut costs further. The fact that the software is centralized on a server also makes it easier to handle upgrades and control viruses. Interestingly, local leaders, rather than multinationals, are behind this one.

Cons: Thin clients rely on servers, so if the server goes out, the terminals go down. Users have also said that thin clients can run slowly if too many people log on to the server, but proponents say the technology has steadily improved.

The SUV PC
What it is: These PCs are made to run in harsh environments. They run on car batteries or solar power and are hermetically sealed to keep out dust. Intel and have come out with prototypes.

Pros: The machines tackle the huge issues of dust and electricity, and replacement parts are easy to find. The fact that these are standard PCs also means that villagers gain real-world job skills through their use. In a program in Kerala, India, schoolkids are learning how to use the PC, and then going home to teach the parents. Internet cafes in emerging markets have already familiarized locals with PCs too: Visit an Internet cafe almost anywhere, and you'll see people conducting VoIP video calls.

Cons: Price. Via's PC will probably cost about $250. Backers envision these as shared units inside villages. Also, these PCs, like some others on the list, fail to directly tackle the connectivity problem. In India, broadband means 128kbps, and in Africa it's almost nonexistent. WiMax may help, someday.

The Microsoft cell phone
What it is: Microsoft has been showing off a prototype-in-progress of a cellular device that can serve as a computer.

Pros: The cell phone is a device that's pretty familiar. Far more people in places like China and India use cell phones than computers. Even in rich countries, such as the United Arab Emirates, phone ownership is in the 90 percent range, while PC ownership is down in the 20 percent range (and, to cut costs, some UAE residents get their cell service from companies in Iran). Connectivity is assured in huge areas of the globe.

Cons: Connectivity can be expensive. Also, though cell phones are good for getting information, they're not necessarily that great for performing geometry homework or keeping household accounts. These devices would need keyboards, screens and applications. The small-screen issue has hurt other computerlike devices for the poor.

The four-way
What it is: Hewlett-Packard tinkered with a computer called the 441 System in South Africa. (HP has a solar powered printer and camera for mobile photo studios as well.) The 441 could handle four users at once, in different languages, by way of multiple keyboards and screens. Overall, HP said, the Linux-based 441 cut hardware acquisition costs for the same number of users by up to 50 percent and maintenance and operation costs by up to 65 percent.

Pros: A hybrid of the SUV PC and the thin client, the 441 accommodated more users at once than a standard PC, but without some of the performance issues associated with thin clients. A multiplicity of languages is also a crucial concern in many nations.

Cons: HP killed it.

The Linux system
What it is: Brazil has tried to promote a Linux-based desktop for years. The program has largely been bogged down by government bureaucracy.

Pros: Using Linux rather than Microsoft clearly drops the acquisition price of the PC. Microsoft's Starter Edition XP, a version of Windows XP for the developing world, reduces some of the cost advantages. Critics, though, note that Starter Edition isn't as flexible as the standard Windows XP.

Cons: It's Linux. It works, but the lack of applications, and compatibility issues, tend to prompt users to gravitate toward Windows. Even Chinese PC dealers will tell you that many customers put pirated copies of Windows on their Linux PCs after they buy them.

The Personal Internet Communicator
What it is: Designed by AMD, these portable devices run on a version of Windows CE and an energy-efficient processor. The machines cost about $180 without monitor. Most people buy them bundled with Internet service through ISPs.

Pros: It's on the market already, and telecommunications carriers are selling it, meaning that some of the big hurdles have already been cleared. In terms of design and functionality, it's similar to the $100 laptop, but it runs Microsoft software, meaning compatibility is less of an issue. It's portable and has a built-in screen.

Cons: The price isn't that much lower than that of a full-fledged PC with monitor. The machines have been released in India and the Caribbean, but sales have been tepid.

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