• Defying the Doomsayers


    If every image made and every word written from the earliest stirring of civilization to the year 2003 were converted to digital information, the total would come to five exabytes. An exabyte is one quintillion bytes, or one billion gigabytes—or just think of it as the number one followed by 18 zeros. That's a lot of digital data, but it's nothing compared with what happened from 2003 through 2010: We created five exabytes of digital information every two days. Get ready for what's coming: By next year, we'll be producing five exabytes every 10 minutes. How much information is that? The total for 2010 of 912 exabytes is...

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