What is the definition of a PC?
The Wii uses a balance board, a remote control and nun-chuck as input device. Touch screens are used in a lot of consumer products. Voice input is already used as input for telephone, skype and other human to human communication and is growing as product/human communication. All still are hooked up to a central processing unit. Output devices remain video, audio and printing. Maybe we are in the post-PC era, but we are still in the input-process-output era (= information era)
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