Industry stories, by the numbers — the rise, fall, and displacement of technologies told as data documentaries where every number traces to a named source.https://industrymath.com/en-MYhttps://industrymath.com/stories/rise-fall-comeback-hard-drive/https://industrymath.com/stories/rise-fall-comeback-hard-drive/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.Fri, 12 Jun 2026 00:00:00 GMThi@industrymath.com (Adam Yong)