Tuesday, May 04, 2010

Goodbye petabytes, hello zettabytes | Technology | The Guardian

See the full article for more details (via Slate)

Research published today estimates that the so-called digital universe grew by 62% last year to 800,000 petabytes - a petabyte is a million gigabytes – or 0.8 zettabytes. That is the equivalent of all the information that could be stored on 75bn Apple iPads, which would equal the digital output from a century's worth of constant tweeting by all of Earth's inhabitants.

By way of stark contrast between the output of present day humanity and its pre-digital predecessor, experts estimate that all human language used since the dawn of time would take up about 5,000 petabytes if stored in digital form, which is less than 1% of the digital content created since someone first switched on a computer

Goodbye petabytes, hello zettabytes | Technology | The Guardian

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