It only makes sense when you think about it. Once we reach some service quality level, no one would want to carry more devices if they don't have to. In a not that distant future, we'll see the portable navigation device (PND) makers like TomTom and Garmin either dying or changing. Both companies are obviously already working on the latter, hence you can get their software for all the major smartp

Standalone navigation devices will give way to mobile phones as the worldwide portable navigation market explodes over the next several years, according to a report from Telematics Research Group. ... - Colin Gibbs

Mobile phone-based navigation is poised to dominate the GPS market, according to a new study issued by analysis firm Telematics Research Group. TRG reports that while portable navigation device makers like Garmin and TomTom remain worldwide market leaders, selling 30 million dedicated PNDs in 2007, handset makers like Nokia, Motorola, LG and Samsung are quickly gaining ground, moving about 20 mill