Calling all codebreakers... Do you want to help build useful stuff to help Bletchley Park celebrate its amazing past and create an exciting new future? A place that saved 22 million lives, inspired Ian Fleming's James Bond novels and became the birthplace of the modern computer. Here's the Good for Nothing brief for Saving Bletchley Park that a team will get to hack around with over the weekend of May 21-22. Mum's the word....

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