https://www.gearthblog.com/blog/archives/2007/05/google_earth_41_beta.html
Google Earth 4.1 (beta) Released! SpaceNavigator for the Mac! - Google Earth Blog
May 9, 2007 - [UPDATED 1050 ET] I had been hearing a new version Google Earth was due soon. I knew this would be an important release to a lot of Mac users, because it would...
google earthfor thebetareleasedspacenavigator