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The cabinets handling the communications for Wimbledon are modest. Every packet of data passes through one of these three units.
Wimbledon is by no means exclusively high-tech. Here, on one of the outer courts, the match score is being kept using a more time-honoured method — a ball boy and a stack of cards.
The score is also being kept electronically, but the electronic scoreboards themselves are the preserve of the show courts only.