Interesting guide covers all aspects of Google Earth, free downloadable application from Google that allows users to view satellite images from all corners of the world aimed at a diverse audience, including casual users who enjoy air shots of the local as well as geography, a real real professionals, and GPS developers Includes valuable tips on various customizations that users can add, advice on setting up scavenger hunts, and guidance on how to use Google Earth to benefit a business Explains modifying general options, managing layers and location system, and handle some of the more technical aspects, such as interacting with GPS There are more than 400,000 registered users of Google Earth and the number is still growing