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When the telephone first entered the newsroom journalists were sceptical. “How can we be sure that the person at the other end is who they say they are?” The question seems odd now, because we have become so used to phone technology that we barely think of it as technology at all – and there are a range of techniques we use, almost unconsciously, to verify what the person on the other end of the phone is saying, from their tone of voice, to the number they are ringing from, and the information they are providing.
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