Really pointless in a boat, questionable in a vehicle. I looked very briefly into it, my questions were:
- Why they list is as an iPhone 4 product, when the 3GS runs the same OS and nearly all the same aps
- What is lacking on it, as the price is very reasonable
- How well it works if that iPhone isn't with you
- Can you multitask with it (say, have your TomTom up while streaming Pandora)
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