A formula for making work fun

What is the key to fun at work? "Deep fun" maven Bernie DeKoven says it's maintaining the balance between a person's ability and the challenge. His article offers charts, graphics, and more explanations that are actually kind of, well, fun to read.

DeKoven offers a whole list of articles on fun in the workplace as well as a wide range of links. Thanks to elearningpost for pointing out this article.