This is the geekiest way of using a SpaceNavigator I’ve seen yet (not recommended for safe driving!):
The more technically oriented folks here will be impressed by the fact the guys in the video have developed a way to project photos taken on the fly and map them into Google Earth in real-time. But, most of us will just think this is incredibly geeky. Read more about the SpaceNavigator (now available with GE 4.1 for the Mac), and about the company behind the video – Pict-Earth – David Ralliant (who also did the geeky remote controlled plane video) did this video.