The iWatch is speculated to be able to provide alert messages such as texts, emails or incoming calls, be a music player, provide medical information such as heart rate, and utilize GPS such as running routes.

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Today, however, computers are beginning to perform legal discovery, making medical diagnoses and even evaluating creative work such as music and screenplays.

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But his medical condition means Reilly is not able to play guitar well enough to record new music or play gigs.

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Music's anxiety-reducing qualities have long been recognised outside the medical profession.

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He is often given credit for introducing rock music to operating rooms in the Northeast as a way to soothe the medical team and the patients, an innovation that earned him the nickname Rock Doc from Rolling Stone.

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