As of last night the ultimate interactive map and the ultimate interactive phone are now linked. Google Earth is available as a free download for iPhone and iPod Touch.

Having Google Earth at your fingertips anytime, anywhere is cool enough. But the good folks at Google have also added a tilt feature that uses the accelerometer. Autotilt — available from the settings menu — allows you to view the world from different angles. Just turn your iphone vertical for a view of the horizon or to see mountains in amazing 3D.

Just like the desktop version of Google Earth, the iphone app works best with a wi-fi connection. However, Google Earth for iphone can utilize a cache for offline browsing of previously visited locations. Just don’t expect to go too far over the Edge Network.

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category: Best Free Apps, Editor's Picks, General Navigation, Navigation, Reference