The newest version of Google Earth is able to show buildings in 3D (true 3D, texture mapped -- not just the ugly gray blocks). For example, now you can see many of the skyscrapers in New York as 3D models.

Soon the city of Hamburg in Germany will be in 3D.

See Ogle Earth blog for more.

Looks pretty awesome.

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Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
-- Richard Feynman