In 1944, the British Broadcasting Corporation aired a coded message intended to warn the French resistance that the D-Day invasion was imminent.

CNN: Saturday,

But supporters say his speech also contained a coded message aimed at healing a paralysing rift in the party between those for and against Mr Ozawa.

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Ferrari caused a controversy earlier in the season when Felipe Massa allowed Alonso through to win the German Grand Prix after a coded message over his team radio.

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Back in November there was a curious story about the remains of a World War II carrier pigeon found in a British chimney with its coded message still intact.

ENGADGET: Alt-week 12.22.12: strange skulls, solar portraits and 17-minute code cracking