We have all seen, or worked with, or even built, a spreadsheet monster. There is a high chance that there is one lurking in your office somewhere. They usually congregate in the Finance department and can often be seen during budgeting. They tend to come out at night, usually with their keeper.
For many the sentiment above will resonate. Whilst we finance people love Excel and what we can do with it, we can all quote instances where inherent errors contained in spreadsheets were to blame for shocking financial error.