It maps the Earth by the superimposition of images obtained from satellite imagery, aerial photography and geographic information system (GIS) 3D globe. Google Earth is a virtual globe, map and geographical information program that was originally called EarthViewer 3D created by Keyhole, Inc, a Central Intelligence Agency (CIA) funded company acquired by Google in 2004 (see In-Q-Tel). (if it is not already installed in your computer), The application shows cruise vessels' current positions and images of onboard webcams of the the following cruise lines: Screenshot of Cruise Ships' Current Positions at Caribbean Sea and the Bahamas Google Earth Cruise Ships Current Positions by SeaScanner Screenshot of APRS's Google Earth Application (Plug-In) for visualization of live AIS ship traffic. Google Earth Application for Free Ship Tracking by APRS.fi If Google Earth is installed in your computer, you may see the vessels positions in real time and you may browse quickly the areas of your interest, without the limitations of the web page maps but just using Google Maps.
Google Earth is freely available for personal use and provides very detailed and efficient browsing in world's satellite maps. The information of vessels positions provided by MarineTraffic is available in KML format, which is used by the Google Earth application.
