Google Earth 5.1 is designed for faster, smoother experience when you're flying around the globe. This release comes with a lot of under the hood adjustments, like “speed improvement, improved memory utilization, improved shaders, reduced stuttering, compression technology now use less memory and graphics resources, improved start-up time by 25%, and alos made Google Earth API calls significantly faster.” Finally, the browser plug-in is automatically included when you install Google Earth (PC-only for now.)

Download: Google Earth 5.1