Sunday, October 12, 2008

Open source's usability challenge

The iPhone has been out for a year, and known about in detail for considerably longer. Yet the very latest crop of state-of-the-art Windows Mobile phones, clearly designed as head-on competitors to that phone, miss the mark by miles.

They all have the same feature list -- indeed, they capitalise on the many aspects of the iPhone that are well below par -- but they all feel cruder and more frustrating to use. You can't just bolt this stuff on.

Usability is extremely important. It's also very hard to do well and requires extreme corporate self-discipline. If you ever find yourself asking which of Apple and Microsoft has the more effective management, compare their products. Unless an engineer knows with total clarity that their part of the project will be thrown back for failing to meet usability standards, then the urge to cut a corner or half-bake a feature can be irresistible. Functionality is easy to specify and test: usability far less so.

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