Amount of digital information increases tenfold every 5 years

from The Economist:

Information has gone from scarce to superabundant. That brings huge new benefits, says Kenneth Cukier—but also big headaches.

[…] Wal-Mart, a retail giant, handles more than 1m customer transactions every hour, feeding databases estimated at more than 2.5 petabytes—the equivalent of 167 times the books in America’s Library of Congress.

[…] By 2013 the amount of traffic flowing over the internet annually will reach 667 exabytes, according to Cisco, a maker of communications gear.

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