OneNote is a good example: http://blogs.msdn.com/chris_pratley/archive/2004/01/30/onenote-genesis.aspx http://blogs.msdn.com/chris_pratley/archive/2004/01/30/on

OneNote is a good example: http://blogs.msdn.com/chris_pratley/archive/2004/01/30/onenote-genesis.aspx http://blogs.msdn.com/chris_pratley/archive/2004/01/30/oneno... You could argue that OneNote wasn't truly a bottom-up creation because Chris Pratley was already a pretty senior guy at MS when he started working on it.