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If the maps are stored locally, then yes.

...
If you're in a remote part of the world without at least cell towers within your reach, the iPhone's GPS and therefore TomTom would be pretty useless.

Gloss claims the contrary! I kind of doubt that this is the case, that's why I asked about it here:
iPhone A-GPS --- works without mobile network?!


Let's play the Price is Right here...
TomTom App: 99¢ (can't be free because of In App Purchases)
In App purchases:
City Maps: $9.99
State/Region Maps: $14.99
Country Maps: $29.99

Dock: $99

I'm not sure if everyone is intelligent enough to get the mechanisms of the app store yet. Obviously, rather cheap apps get way higher numbers in sale... but TomTom and Navigon always seemed to be rather greedy. Hm... TomTom has very high debth and is about to go bankrupt, maybe that'll make them change their policies :) hopefully for us..
 
If Tom Tom intends on installing the maps onto our iPhones will we have to download them via iTunes? This would be a huge download. Seems like I recall there being a limit to the size an app can be in the iTunes store. I'm not sure if this would exceed this limit or not.
 
If Tom Tom intends on installing the maps onto our iPhones will we have to download them via iTunes? This would be a huge download. Seems like I recall there being a limit to the size an app can be in the iTunes store. I'm not sure if this would exceed this limit or not.

That's a valid point if you're only considering iTunes for Apps. If a country pack is 1GB, that is a lot for an app, but not much for iTunes which is used to download HD movies. I think the limit you're talking about is the 10MB limit for the Online App store. Anything over that has to be downloaded from iTunes and sync'd.

Either TomTom will have to stick to selling individual cities and popular routes or it sells a whole country and you have to wait a while for the download/sync.
 
honestly: NO! How on earth am I gonna use 30GB of music on my phone, what "trip" could be that long?

Has everyone lost perspective these days??? What are you gonna do with all that on the phone AT THE SAME TIME? Do you really think you will spend weeks or months away from your mac to sync it to again... where all seen movies/podcasts will get deleted right away, replaced by new ones... same goes for songs...
An app like a navigation-system makes sense, yes, but the rest.... Again: Honestly I don't quite see that scenario...

anybody else?

Well I don't know about you, but I plan on taking my iPhone with me on a few trips up and down the east coast. I'd like to have all my music (16GB) some video podcasts (500MB/ Hour) and a movie or two (I encode my DVDs to be less then 1GB each.) After I take my music, podcasts, movies, pictures, movies and Apps, I'll be glad I have 30gbs.

IN GBs:
16 (Music) + 3.5 (Podcasts) + 2 (Two Movies) +2 (Apps)

Total: 23.5GB
 
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