· Earth Gallery: explore a curated list of maps, such as real-time earthquakes, hiking trails, and city tours
· Launch Earth with KML/KMZ file links on web pages
· Touring support: load tours from the Earth Gallery or from mountain layer
· Zoom now centers on gesture rather than center of screen
· Automatic tilt of view when zooming
· Improved Panoramio photo experience
· Stability and performance improvements
· Bug fixes
· Performance improvements and bug fixes.
· Significant performance improvements with borders and roads.
· Native support for iPhone4 and Retina display
· Underwater bathymetry and ocean surface
· Ocean content layer
· Native support for iPad, including full resolution imagery and an iPad-specific look and feel
· Road layer added for iPad and iPhone 3GS
· Binary now under 10MB so wifi is no longer require to download
· Bug fix for maps where lines follow roads
· Improved performance
· Bug fixes for iPhone software version 2.2
· Improved memory management