When NeXT launched their first machine back in the late 1980's, it came with a spreadsheet 2.0 called Lotus Improv. It used what we now call pivot tables as th

When NeXT launched their first machine back in the late 1980's, it came with a spreadsheet 2.0 called Lotus Improv. It used what we now call pivot tables as the first class data representation. I never used it but the demos looked very cool.