Some 25 years ago, I came up with tiny application: each day, a person picks a color that represents his or her predominant emotional state; the collection of color moods are mapped onto a calendar and displayed as an animated film, summarizing the emotional life of person. It was simple and easy and very effective. And in some way, this was also part of the affective computing — computers that use emotion as part of HCI. [Note: This could and was done with watercolors as flip book some 40 years ago when I played in my art class in school.] Affective Computing, I feel, is only recently became part of the “vocabulary” of computer-based developers. When I first started working in this field, graphics were non-existent, thus Pong. In the early nineties, my business partner and I met with the president of Organic, a web design firm in San Francisco, who promptly informed us that his business had no need for Interaction or Interface Designers, that’s what graphic artists were for. Now, psychologists, sociologists, and sociologists are routinely hired by creative firms to help solve design problems. Times change! There are a lot of posts on emotional design on this…