Surprises In Satellite Imagery

"...satellite imagery companies say that they, too, are often startled by what they find when they analyze the hundreds of shots they take daily...Although satellite imagery has been generally available in one form or another for years, Google's launch of the image database it got when it purchased Keyhole last fall is likely to dramatically increase public interest in the technology, especially since so many people are already using Google's service for mapping, driving directions and even creative projects like annotating maps of places they've lived."