sentences:  Keyhole Technology, Inc. (later purchased in 2004 by Google and to become Google Earth) was contracted to develop and demonstrate the first full globe 3-D interactive Digital Earth using web-stream data from a distributed database located on servers around the planet.A concerted effort within the UN community, via the Geographic Information Working Group (UNGIWG), followed immediately, including purchase of early Keyhole systems by 2002.UNEP provided further public demonstrations for this early Digital Earth system at the World Summit on Sustainable Development in September, 2002 at Johannesburg, South Africa.