i think nav systems are here to stay. but the units will do a whole lot more than just give you directions to the local 7/11.
imo most often used in a car is hands free calling and the nav system. listening to music is a given...
but with smart phones getting smarter with each new one coming out.
i just think watching a nav screen while your driving will become out dated.
not when you can just tell your phone where you won't to go. and then listen to the turn by turn thru your cars speaker system.
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