The document provides an overview of the history of the iPad family and various secret skills for using an iPad more effectively. It discusses the original iPad and iPad 2 models and their release dates. It then outlines several hidden skills such as how to create and edit folders, see running apps in the background, close apps, change keyboard languages, use different finger gestures to switch apps and view the bottom bar, and move quickly through years in the calendar. Lastly, it notes the different actions associated with using 1, 2, 4, or 5 fingers on the iPad screen.