They may be powerful, but computers could still be easier to use.

10 09 2007
human computer interactionPerceptive Pixel

From The Economist

It HAS been called a revolution, and rightly so. Over the past 25 years computers have become a feature of everyday life in rich countries and, increasingly, in poor ones too. Today’s machines are fast—a typical desktop now has ten times the number-crunching power of the fastest machine on earth in 1983—and widespread, given that the world’s 3 billion or so mobile phones are, in effect, pocket computers. But although computers have become cheaper, more capable and more commonplace, they have made much less progress when it comes to ease of use. Their potential remains tantalisingly out of reach for people who find their control systems, or “user interfaces”, too complex. And even people who have no difficulty navigating menus, dialogue boxes and so on, might use computers more productively if their interfaces were better.

Consider the Nokia 6680 mobile phone, says Adam Greenfield, an expert in computing culture at New York University and the author of “Everyware”, a book about the future of computing. He found that 13 clicks were needed to change its ringtone. “It’s an interface designed by engineers for engineers,” he says. Steven Kyffin, a senior researcher at Philips, a consumer-electronics giant based in Eindhoven in the Netherlands, concedes that computer programmers and engineers, himself included, are often guilty of designing complicated systems packed with too many features. “We’re compelled by complexity,” Mr Kyffin says. “There’s a point where humanity just can’t handle it.” Tellingly, the field of interface design even has an unwieldy name: it is known as “human-computer interaction”, or HCI.

More here.




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