Tom TOM Gps units use the NAVTEQ GPS maps.
You are correct in thinking that a Tomtom is a easy to use piece of equipment. Check out http://www.tomtom.com/ for more details or to purchase a Tomtom for yourself.
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The TomTom navigation system typically uses a microSD memory card for storing maps and data. It is important to check the specific model of the TomTom device you own to ensure compatibility with the memory card.
This Question doesnt make sense, TomTom is public company - http://en.wikipedia.org/wiki/TomTom , http://www.tomtom.com
The TomTom is very effective. Not only does it have a larger size than come of it's competitors, it also has more on screen information. TomTom can be used it for hands free calling as well as voice control. TomTom is also constantly updating it's maps and routes for easy use for the consumer, which also helps it determine detour routes for it's customer.
The Navman, Garmin and TomTom all do the same job, but they do have different direction instructions, whilst Navman and Garmin uses marine electronics and GPS navigation systems, the TomTom are the worlds leading provider of navigation systems and they use latest maps, daily map changes, latest speed camera location, all provided from GPS and updates via computer, the TomTom traffic services uses over 80 million probes for accurate direction.
To connect your TomTom device to your Apple computer, use a USB cable to plug the device into an available USB port. Once connected, your TomTom should appear as a removable drive on your desktop or in Finder. You may need to use the TomTom MyDrive Connect application, which can be downloaded from the TomTom website, to manage updates and transfer files. Ensure your device is powered on for a successful connection.
with this: http://www.amazon.com/Tom-iPod-Connect-Cable-Audio/dp/B000FEKEN4 You can route your audio out from your iPod to your TomTom. Personally, I'd just use it as an iPod, I'd rather put them all on my TomTom as well as my iPod; it saves money. You can also use the TomTom Car Kit: http://www.theiphoneblog.com/2009/08/17/tomtom-car-kit-compatible-ipod-touch-gps-apps/ It's a GPS antenna that uses the TomTom GPS App for your iPod Touch/iPhone to put a map on the iPod display. You can also use other apps.
compasses guides maps
they had a distorted map
Geographers use different kind of maps because they need them each one for a use.
I find tomtom a little more confusing to use than gramin systems are to use. they are pretty difficult to enter information and to find specific locations.