Digita tech quiz: How nerdy are you?

Calling all technology nerds - tax and practice software house Digita is running an "Icons of Technology" charity quiz that asks you to identify 40 of the industry's pioneers. Those who manage to identify all of the figures will enter a prize draw for an Apple iPod Touch.

The historical figures are assembled in an interactive graphical tableau inspired by Peter Blake's Sgt Pepper's album cover for the Beatles. As you click a face, a smaller window opens with a cryptic clue to the figure's role in IT history.

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