sentences:  Within two years, these were captivating international audiences, including Kofi Annan and Colin Powell, in government, business, science, and mass media who began to purchase the early commercial geo-browsers.Just as the spectacular Apollo photography of Earthrise provided an inspiring Earth-centric image for new generations to appreciate the fragility of our biosphere, the 3-D Digital Earths began inspiring growing numbers of people to the possibility of better understanding and possibly saving our planet.Introduction of satellite data into commercially accessible spatial toolboxes significantly advanced the capacity to map, monitor, and manage our planet's resources and provide a unifying perspective on the Digital Earth vision.