I believe the web has killed a lot of those 'single user' Excel applications. If they had value, they would probably have been reimplemented in the back-end of

I believe the web has killed a lot of those 'single user' Excel applications. If they had value, they would probably have been reimplemented in the back-end of new web-based business services (if you're unlucky by 'enterprise programmers') around the turn of the century.