Industry Math
$87.5 billion.
The price of one terabyte of hard-drive storage in 1956, inflation-adjusted.
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The Rise, Fall, and Comeback of the Hard Drive
$87.5 billion.
A terabyte of hard-drive storage cost $87.5 billion in 1956 and about $10 today. The arc of the spinning disk, told by the numbers, with every figure traced to a named source.
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Industry Math tells industry history with data instead of adjectives.
Every episode is one arc: origins, boom, turn, displacement, legacy. Each is anchored by a number that makes you blink, and one mechanism explained properly.
Every number, date, and claim on this site traces to a named source before it is published.
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