Personal navigation devices, like the popular TomTom units pictured, are proving to be a hugely successful alternative to built-in nav systems in Europe, a trend that is likely to be repeated in the U.S. market.
ABI Research has released a report showing that the more successful companies are increasing sales more than 600 percent annually, to the point that sales are becoming limited by component supply.

Two key factors are leading to the rapid adoption of personal nav products - low prices, and "dynamic navigation" features that add traffic awareness to on-the-fly route selection.

With product availability improving in the U.S. market, and the parallel growth of mobile video and data services, portable navigation looks set to take off in the U.S.

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