Briefs
IDC Study: Digital Universe in 2007 was 281 exabytes, growing 60%/year
... IDC's research indicates:
- At 281 billion gigabytes (281 exabytes), the digital universe in 2007 was 10 percent bigger than previously estimated.
- With a compound annual growth rate of almost 60 percent, the digital universe is growing faster and is projected to be nearly 1.8 zettabytes (1,800 exabytes) in 2011, a tenfold increase over five years.
- Your "digital shadow" - that is, all the digital information generated about the average person on a daily basis - now surpasses the amount of digital information individuals actively create themselves.
Other key findings:
- The information explosion, at least in raw gigabytes, is predominately visual: images, camcorder clips, digital TV signals and surveillance streams.
To find out more about information trends, history and preservation, go to
www.emc.com/digital_universe.
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