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Apple touch-screen patentThis drawing, contained in a patent application filed by Apple Computer, appears to show a touch-screen keyboard that could be used to enter data on a UMPC-like device.
Microsoft has its own UMPC, or minitablet, project, called "Origami."
Origami keyboartMicrosoft's Origami project plans to use a similar-looking QWERTY keyboard, but its design splits that keyboard into separate halves on either side of the screen.
Read for more on the patent.