1979 – Visicalc is released by Dan Bricklin. The spreadsheet application is called the first killer app for personal computers. It turned the PC from a hobby to a business tool. Only downfall for Bricklin was he did not patent the system, therefore, clones like SuperCalc, Microsoft’s MultiPlan and Lotus 1-2-3, would show up.
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Other items in Your Day in Tech History
- IBM 1311 Storage Drive
- Office 2001 for Mac
- Poloroid files Chapter 11
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