| http://www.w3.org/ns/prov#value | - Typically, the device 5 also includes an audio interface including a microphone 53 and a speaker 54, as well as radio transceiver circuitry and antenna 55, even though these elements are not of importance for the invention and can be dispensed with if the input device(s) according to the invention is employed in another electronic device, e.g. in a portable electronic organizer such as a PDA. Norm
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