Team Geared Up

For all you Google Earth enthusiasts you’ll be happy to know that Google has just released the latest version of the revolutionary and free mapping software. Google Earth 4 has a slew of new features and tweaks most notable are the following:
* Higher quality terrain and building textures
* Expanded KML file support, including timestamps and image overlays
* The sleek new UI, designed to stay out of your way as you flit hither and virtually yon
* Polygon annotation, shareable with other users
Upgrades to Plus ($20/year, higher-res prints, GPS track import, faster performance) and Professional ($400/yr, full-res image export and printing, movie export, GIS and spreadsheet import) are available. The paid versions also let you disable local business advertising.