1.2 Zettabytes of information in 2010
1.2 Zettabytes of digital information in the world expected in 2010KurzweilAI.net, May 5, 2010
From [1]: Last year, the Digital Universe (the amount of digital information created and replicated in the world) grew by 62% to nearly 800,000 petabytes (a petabyte is a million gigabytes, or a quintillion bytes), and this year, the Digital Universe will grow almost as fast to 1.2 million petabytes, or 1.2 zettabytes, according to IDC's annual report, "The Digital Universe Decade - Are You Ready?" May 2010, which monitors the amount of digital information created and replicated in a year.
"Between now and 2020, the amount of digital information created and replicated in the world will grow to an almost inconceivable 35 trillion gigabytes, as all major forms of media -- voice, TV, radio, print -- complete the journey from analog to digital.... This explosive growth means that by 2020, our Digital Universe will be 44 times as big as it was in 2009."
By 2020, more than a third of all the information in the Digital Universe will either live in or pass through the centrally hosted, managed, or stored in public or private repositories that today we call "cloud services."
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