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~Zettabyte Pips Petabyte As Largest Data Storage Unit~

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Posted: Wed May 05, 2010 14:41

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EMUworld

It’s official. Zettabytes is now the largest unit of digital measurement.

Yes, the size of the “digital universe” will swell so rapidly this year that a new unit — the zettabyte — has been invented to measure it. And, it has overtaken petabytes as the largest unit of digital measurement, reports said.

One zettabyte is equal to one million petabytes, or 1,000,000,000,000,000,000,000 individual bytes. Humanity’s total digital output currently stands at 8,000,000 petabytes — which each represent a million gigabytes — but is expected to pass 1.2 zettabytes this year.

The current size of the world’s digital content is equivalent to all information that could be stored on 75 billion Apple iPads, or the amount that would be generated by everyone in the world posting messages on the microblogging site ‘Twitter’ constantly for a century.

The rapid growth of the “digital universe” has been caused by the explosion of social networking, online video, digital photography and mobile phones.