[upupupandaway]

There are very few pieces of software I have most respect for than Excel. It powers entire industries, from Finance to Science to Big Tech, is stable as hell, backward compatible, and won't stop innovating. And now you can run Python on it - I'd say it would dominate the world now, but it's already there.

[Two4]

It's still not up to scratch for advanced stats - SPSS has a much worse UI, but much better performance and more powerful tools for big datasets.

[mycall]

Sure beats VisiCalc and Lotus123