Skyhook provide a location system based on Wi-Fi positioning, GPS and cell tower triangulation. It uses the hundreds of millions of Wi-Fi access points around the world to provide accurate location information.
To pinpoint location Skyhook uses a massive reference network of the known locations of over 250 million Wi-Fi access points and cellular towers. Skyhook's extensive coverage area includes most major metro areas in North America, Europe, Asia, and Australia.
The Skyhook Coverage map uses Google Maps to display the extent of Skyhook's huge network. The map includes a search option that allows you to search the map by address.
Local Faves
If you wish to uses Skyhook's data in an iPhone application you can connect via Local Faves.
Local Faves is an SDK that enables location features in iPhone apps. Developers can use Local Faves to simply and quickly add location tagging, check-ins, user rankings and cool map visualizations of where content was viewed.
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Apple's iOS uses the Skyhook database when any app wants to know the device's location and it can't get a real GPS fix from satellites.
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