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In many ways mobile technologies are derivative of their desktop brethren. Your iPhone’s e-mail app is like the e-mail client on your desktop, for example. The mobile world is the desktop world in miniature, a “lite” version.

But the mobile world is no longer just following; it’s leading. PC sales are sagging, while sales of mobile devices—smart phones and tablets—are on the rise. As the operating systems that power these devices become the new norm, we can expect to see certain aspects of desktop and laptop operating systems start imitating the little upstarts that had initially imitated them.

This transition is already happening. Apple’s Mac OS X Lion includes the Mac App Store, full-screen apps, and multitouch gestures. Apple also recently announced a big developers’ conference in June, during which it said it would “unveil the future of iOS and Mac OS.” Other companies are following similar paths of convergence. Though Google’s Android (for mobile) and Chrome OS (for laptops) have notable differences, CEO Eric Schmidt has long maintained that “although it appears they are two separate projects, there’s a great deal of commonality. Eventually they may merge even closer.” HP’s webOS, which the company acquired when it bought Palm, is designed for mobile use, but it will also be coming to notebooks and desktops. And we have reason to believe a similar convergence is on its way with Windows 8.

“It’s very likely that PC operating systems will be affected by mobile devices’ operating systems—and more broadly, that the lines between the two will increasingly blur,” says Michael Dahlin, a professor of computer science at the University of Texas, who has expertise in operating systems. “Things have evolved to the point today where the difference between the smart-phone OS and the laptop and desktop OS is narrowing—and really already pretty narrow in terms of capability and core architectures,” he says.

This trend is nothing new in the history of technology. In the case of mobile and PC operating systems, however, Dahlin thinks another factor is speeding it along: the cloud. “The cloud is part of what’s going to enable and probably drive convergence between phone and mobile operating systems and desktop operating systems,” he says. Now that a user’s data isn’t necessarily tied to a particular device, manufacturers feel they’ll be expected to make that data accessible with equal ease, and in the same manner, on multiple devices.

What features associated with mobile might migrate back to desktops and laptops? Some are long rumored to be on the way in devices from Apple and other manufacturers: touch screens, gesture-based interfaces, more speech recognition, and so on. The novel constraints on mobile devices mandate their own kind of innovation and shape our experiences; then we expect to be able to replicate those experiences back at our PCs. That forces the traditional forms of those devices to change. “A little four-inch-by-four-inch silver square sits where my mouse used to sit,” says Dahlin, referring to the multitouch gesture pad on Apple laptops.

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Credit: Technology Review

Tagged: Computing, mobile devices, smart phone, tablets, operating system, mobile operating systems, desktop computing

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