2 Improve your Communication Skills
In the 19th century, the word ‘communication’ came to refer
to the movement of goods and people, as well as of information.
We still use the word in these ways, of course: roads and railways
are forms of communication, just as much as speaking or
writing. And we still use the images of the industrial revolution
– the canal, the railway and the postal service – to describe
human communication. Information, like freight, comes in ‘bits’;
it needs to be stored, transferred and retrieved. And we describe
the movement of information in terms of a ‘channel’, along
which information ‘flows’.
This transport metaphor was readily adapted to the new,
electronic technologies of the 20th century. We talk about
‘telephone lines’ and ‘television channels’. Electronic
information comes in ‘bits’, stored in ‘files’ or ‘vaults’. The words
‘download’ and ‘upload’ use the freight metaphor; e-mail uses
postal imagery.
In 1949, Claude Shannon and Warren Weaver published a
formal version of the transmission model (Shannon, Claude E
and Weaver, Warren,
A Mathematical Model of Communication
,
University of Illinois Press, Urbana, IL, 1949). Shannon and
Weaver were engineers working for Bell Telephone Labs in the
United States. Their goal was to make telephone cables as
efficient as possible.
Their model had five elements:
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