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Qlikview is a BI product. In their day they were very promising upstarts in the industry and they really shot ahead on the back of their in memory cube processing.

It pushed them out ahead of stalwarts like Cognos and Business Objects for a while.

When Microsoft entered the BI landscape they changed the world as we knew it by bundling a fairly decent BI stack right along with MSSQL and native Excel connectors, for free.

Many big names in the enterprise space went for it (and subsequently choked on Sharepoint) but I think this hit Qlikview pretty hard. They didn't have the legacy to withstand that battering that many of the more established BI offerings took during that chapter of the story.