VisiCalc Spreadsheets rule the world for almost half of a century. I strongly believe that it’s one of the best UXs ever created. Being fairly minimal and easy to learn, it allows users to quickly manipulate data, describe logic, visualise results, or even create art and run GameBoy games.It all started in 1979 when Dan Bricklin and Bob Frankston created VisiCalc, the first spreadsheet software. With a few thousand lines of hand-written 6502 assembly, VisiCalc could successfully run on 16K RAM machines.