Intel has already pushed Nvidia out of the business of supplying computer chipsets, the digital nervous system that all processors plug into to power PCs and laptops.

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Their Diabetes Management Assistant (DIMA) is a wearable computer system with wireless communication including a glucose meter, digital camera and pedometer.

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Until a few years ago, the main function of computer systems in society, and business in particular, was as a digital support system.

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This overgrown iPod of a remote is the wireless heart of the Sonos Digital Music System, a delightful--if expensive--way to shuttle music from computer or Internet around the house.

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It not only created the hand-held computer category and the first workable handwriting-recognition system, it also pioneered the whole idea of doing digital tasks -- including e-mail and Internet browsing -- on a device other than the PC.

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