There was an impressive demo of the new Siri voice control system for the phone, which apparently allows you to talk to your mobile and get it to do just about anything from laying the table to fixing you an appointment with an Apple executive.

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Take GPS, add Bluetooth, season to taste you've got yourself a fine car navigation system that gets friendly with your phone to provide both voice and data connectivity.

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If the call is missed, it's routed into a voice mail system that users can check on the Web, or via their phone.

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You're used to stereo quality or digital quality, where the normal phone system was designed actually to truncate about two-thirds of people's voice.

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