Players take on the guise of one of the leaders and try to kill off the other two in a Death Match type shoot-out modelled on the Unreal Tournament game system.

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Alex Tudor (abdominal strain) and Jahid Ahmed (back) are also working their way back to fitness, while Andre Nel had to miss a match with a "whiplash-type" injury.

BBC: Kent's Saggers in Essex loan move

When he beat Djokovic in the French Open semifinals last year and ended Djokovic's 43-match winning streak, Federer played against type.

WSJ: Wimbledon 2012: Roger Federer's Wimbledon Bluff

Nor has anyone yet managed to match the quality of print using type on a liquid-crystal screen of the sort found on laptop computers.

ECONOMIST: Electronic books

Stubbornly, they arranged themselves into a most unexpected conclusion, one that seems almost blasphemy to type: Twitter has the potential to match some of the money-gushing properties of the Internet's greatest money gusher, Google Inc.

WSJ: Is Twitter Really Worth $10 Billion?