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Dennis R. Mortensen on Twitter: "Hard Drive Cost per Gigabyte over the last 35 years. *I bough a 1 GB Hard drive in 1995. :) http://t.co/IQOXTHoxlL" / Twitter
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WomanOfStraw on Twitter: "@michaelshermer @MaxCRoser Its a $/GB not for a 1GB hard drive. No 1GB hard drives in 1950. More like 1990's before they became common." / Twitter
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