I have written about the use of MS-Excel before (see related posts at end), so an article on the weirder uses of MS-Excel is not out of order- http://www.computerworld.com/s/article/9211699/Use_Microsoft_Excel_for_Nearly_Everything .

As most IT people have found, I also repeatedly find MS-Excel used for all sorts of patchwork business processes. Some have even been clever. But the MS-Excel silo issue always raises it ugly head.