London Olympics: How 1948 compares to 2012, in photos
Summary: The technology behind the Olympic Games has changed beyond all recognition since the international sporting event was last held in London, more than 60 years ago
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London 1948 switchboard operators
Switchboard operators at the Corinthian exchange at Wembley.
To cope with the additional demand in 1948, some 124 phone lines were added at Wembley for the public.
In contrast, in 2012 the Olympic Park will have full Wi-Fi coverage. Telecoms operators have also been installing additional capacity to make sure that the huge amount of photos sent and video viewed during the Olympics doesn't affect mobile coverage or internet access.
Image credit: BT Archive
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