Back in the mid 2000s, our killer app was an example app from MSDN magazine. It basically embedded Excel in a simple web page and we could use the pivot tables

Back in the mid 2000s, our killer app was an example app from MSDN magazine. It basically embedded Excel in a simple web page and we could use the pivot tables against SSAS cubes. We did a little web work for permissions and to save views, but probably had less than a total week of dev work.