“Because interaction design has strong roots in the social sciences with their positivist approaches to studying and analyzing behavior, little has been written about non-formal methods, approaches which might serve as an analog to the architect’s playful, exploratory sketching described above. In this article, I want to discuss one of the non-formal methods I use: storytelling. Storytelling is an integral part of my approach to design, both at the earliest stages, as well as later on in the process.”