http://www.sqlservercentral.com/blogs/steve_jones/2008/06/25/one-note-part-ii/

One Note - Part II

By Steve Jones, 2008/06/25

 Apparently other people like One Note. Microsoft is using it for learning content, and I think that's a cool idea. I might find some issues with that over time, but at first glance I think it's a good idea.