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Apple posted demonstration videos on Monday that showed various applications running on the iPad, due for US release on Saturday and UK release in late April.
Included were four videos showing the iPad's email app and three office productivity apps: Keynote for presentations, Pages for document creation and Numbers for spreadsheets.
Using the email application in landscape mode, the inbox appears on the left, allowing the user to scroll up and down through their messages. The currently viewed email appears on the right.
In portrait mode, the currently viewed email fills the screen, and the inbox can be displayed in this orientation through a drag-down menu.