Is there a future for TomTom, Garmin and other GPS device manufacturers ?

Apple filed new patents about navigation systems and several navigation applications already exist on the iPhone.

iPhone GPS features and user experience make traditional GPS devices redundant:

Iphone navigation applications do not require roaming, they can grab your contact information from your address book, iPhone user experience and graphical capabilities are excellent.

More info about apple navigation patent:

More info about navigation applications on iPhone:〈=1&output=lm&country=US&term=navigation&media=software