I don't think streaming the Google Earth data is unreasonable. Keep in mind the resolution on a mobile GPS is likely to be limited to say 320x320 or less (particularly after subtracting the "chrome"). Also keep in mind the display is likely to be kept relatively zoomed in to aid navigation limiting the scope of the display and vehicles move relatively slowly (I can zip across town in a few seconds in Google Earth, but it takes 20 minutes in a vehicle).
Finally I am sure the Google Earth data is an added feature, not a requirement. If for whatever reason it's not receiving the information I'm sure it has preloaded traditional maps. Many countries have better 3G data coverage than does the US as well.
The one problem I see is the acuracy of the street overlays. On a vector only map it doesn't make any difference to me if the map data is off by a few meters. With the Google Earth overlay it is distracting if it looks like I'm driving down the sidewalk or through Ms. Cravatz's rose bushes.
The Triumph proved to be one of the better looking and performing pre-paid handsets we'd had the pleasure of holding in our sweaty mitts, but we had one major hangup: the name.
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I don't think streaming the Google Earth data is unreasonable. Keep in mind the resolution on a mobile GPS is likely to be limited to say 320x320 or less (particularly after subtracting the "chrome"). Also keep in mind the display is likely to be kept relatively zoomed in to aid navigation limiting the scope of the display and vehicles move relatively slowly (I can zip across town in a few seconds in Google Earth, but it takes 20 minutes in a vehicle).
Finally I am sure the Google Earth data is an added feature, not a requirement. If for whatever reason it's not receiving the information I'm sure it has preloaded traditional maps. Many countries have better 3G data coverage than does the US as well.
The one problem I see is the acuracy of the street overlays. On a vector only map it doesn't make any difference to me if the map data is off by a few meters. With the Google Earth overlay it is distracting if it looks like I'm driving down the sidewalk or through Ms. Cravatz's rose bushes.