In case you didn't know, Google Earth isn't even remotely live. Most imagery is several years old and purchased at deep discount from one of a pair of commercial satellite companies (GeoEye or DigitalGlobe). Most of the imagery in urban areas in the US is acquired with cameras/sensors on airplanes, but it's still old stuff. But that's geek-speak. In the popular culture, Google Earth is a high-resoloution live-imaging satellite owned by Google. In fact much of the press surrounding GeoEye's last satellite launch didn't even mention GeoEye, but instead reported the satellite and launch was owned/funded wholly by Google. Of course it was the first time NASA allowed any logo besides their own (and the US flag) appear on a rocket.
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