Google's-eye views.

• Position: Google Earth

Google Earth, free software introduced by Google in June, combines satellite and aerial images with mapping capabilities. It arrows Internet users to zoom in on their own house, locate a restaurant, or view high-resolution "flyover" images of famous landmarks. But officials of several, nations worry that Google Earth might also enable potential terrorists to pinpoint military installations, government buildings, and other sensitive sites. "It could severely compromise a country's security," says V.S. Ramamurthy of India's Department of Science and...