Ian dresses up as a wild west cowboy and heads to Buffalo Creek in the Isle Of WIght County to demonstrate early methods of communication.
Chris logs on to Prestel and shows us how to send messages, the forerunner of modern emai.
Gill travels to Waterloo Station to explain how British Rail monitors the rail network. Gill then visits British Aerospace to show us how important computers are in the operating of their Airbus aeroplanes.
Rex introduces us to the concept of the electronic "Global Village".
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