The software lets you rotate and angle 3-D buildings and terrain features, such as hills and canyons, to be viewed from multiple perspectives. Users can enter in an address or attraction and zoom in from an outer space view for a tight birds-eye view. It allows users to zoom and pan over three-dimensional virtual cities and landscapes, drilling down from space to overhead details. The virtual Earth simulation software incorporates maps, driving directions, and satellite images with Google Search capabilities. In San Francisco last week, another big product announcement-as big as the Earth itself-came from just down the road at Google’s Mountain View, Calif., headquarters. While most of the Mac community’s eyes were on announcements coming out of