5.19.2009

Internet data near 500bn gigabytes

·World's digital content equivalent to stack of books stretching from Earth to Pluto 10 times
http://www.guardian.co.uk/business/2009/may/18/digital-content-expansion
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The world's store of digital content is now the equivalent of one full top-of-the-range iPod for every two people on the planet, following the explosion of social networking sites, internet-enabled mobile phones and government surveillance.
At 487bn gigabytes (GB), if the world's rapidly expanding digital content were printed and bound into books it would form a stack that would stretch from Earth to Pluto 10 times. As more people join the digital tribe – increasingly through internet-enabled mobile phones – the world's digital output is increasing at such a rate that those stacks of books are rising quicker than Nasa's fastest space rocket.
[...]
The digital universe is expected to double in size over the next 18 months, according to the latest research from technology consultancy IDC and sponsored by IT firm EMC, fuelled by a rise in the number of mobile phones. At the time of their first Digital Universe report in 2007, the pair reckoned the world's total digital content was 161bn gigabytes.
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