Microsoft and Nokia Go User-Friendly

With the success of the iPhone, mobile-phone players want to improve menus and other navigation tools on their own handsetsbut at what cost?

Of all the ways Apple's iPhone is disrupting the mobile-phone industry, one of the most tangible is in how it's shaking up the user experience. The release of the music-playing mobile phone brought many people a whole new way to call up services, navigate from one section to another—even dial a phone number. Apple (AAPL) may raise the bar further in January, when it's expected to make it easier for outside developers (BusinessWeek.com, 10/16/07) to create tools and features for the iPhone.

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