Geotechnologies are readily available on computers and smartphones, e.g., Google Maps and Google Earth
GPS, GIS, and georeferencingtechnologies are all interconnected, based on preciselocations from orbitingsatellites
GIS and remotesensing allow geographers to see information about Earth from above; however, GIS information “layers” can be combined in many differentways, while remotesensingdatacannot