Lotus Improv actually predates Brio's product. I remember clearly when Improv came out -- it was a really exciting breakthrough at the time. But the big problem

Lotus Improv actually predates Brio's product. I remember clearly when Improv came out -- it was a really exciting breakthrough at the time. But the big problem IMO was that it wasn't part of Lotus 123. So when Excel added pivottables directly into the spreadsheet that made it vastly more useful (to me at least).