One reason for this is the sheer volume of data being maintained by large enterprises. Last year, McKinsey & Co. concluded that it was not unusual for large U.S. corporations to have more data stored than the U.S. Library of Congress. How much data is that? Well, according to the library, its collection fills more than 800 miles of bookshelves.
And that data must be accessible if the companies acquiring it are to get real value from it. McKinsey last year also had something to say about just how much value big data could represent :
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