Getting Your Feet Wet With Google Ocean: First Look in Images
Google takes a deep-sea plunge with Google Earth 5 beta, which adds a new feature called Google Ocean. With this introduction to the mapping software,
you can travel far below the surface to spot shipwrecks, track the movements of great white sharks, and wander the ocean floor--no scuba equipment required.
http://www.pcworld.com/article/158756/getting_your_feet_wet_with_google_ocean_first_look_in_images.html