Ford would no doubt counter that drivers can always use the voice-command menu, but I find that system to be demanding, rigid, dense and a little hostile.

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With intuitive, menu-driven features, the Aircell Smartphone allows passengers to place and receive voice calls aboard business aircraft as easily and conveniently as they do with mobile phones on the ground.

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No matter which option you choose, you'll still be able to access the usual menu in which you can create a new document or upload an image, music track or voice recording.

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"Main Menu, " he says, and the computer talks back: "Okey Doke, " says the synthesized voice.

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