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Dialogue Box 7.3: Data, data, everywhere

How big is the 'digital universe', and where does all that data come from? Rupert and Charles talk petabytes, exabytes and zettabytes
Written by Rupert Goodwins, Contributor and  Charles McLellan, Senior Editor

How big is the 'digital universe', and where does all that data come from? Rupert and Charles talk petabytes, exabytes and zettabytes.

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