A Tablet PC is a notebook or slate-shaped mobile computer, equipped with a touchscreen or graphics tablet/screen hybrid technology which allows the user to operate the computer with a stylus or digital pen, or a fingertip, instead of a keyboard or mouse. The form factor offers a more mobile way to interact with a computer. Tablet PCs are often used where normal notebooks are impractical or unwieldy, or do not provide the needed functionality. The term "Tablet PC" was coined by Microsoft in a Keynote Address by Bill Gates at the 2001 Comdex conference[ ref]. The more general term is Pen computer or Pen computing. Touch computing is not a new concept. It just has never really gone mainstream. HP is one of many manufacturers, for example, making tablet PCs that use a pen in lieu of a mouse or keyboard. They aren't exactly best sellers. Apple is helping boost the visibility of touch through the iPhone
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