MICROSOFT EXCEL

The app that invented workplace misery? I thought this page was supposed to be fun?

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We're pretty sure workplace misery predates digital spreadsheets, and Microsoft didn't invent those anyway. That dubious honour goes to the creators of VisiCalc, which debuted on the Apple II six years before Excel; it was the first app to automate complex spreadsheet calculations via a magical grid of cells packed with data. Excel only became a glimmer in Microsoft's eye after its own Multiplan failed and Lotus 1-2-3 had risen to dominate the PC market.