Google Apps Overview Lesson
Google Apps Intro
Based on my conversations with educators and Google users in general, many people are unaware that they have access to a wide range of applications through their Google/Gmail account. When you are logged in, you can access the apps by clicking on the black bar at the top of your screen, and you can click on more > even more to explore further.
The following chapters contain information about some of the apps and provide some ideas about how they can be used in educational settings.