An examination of why paper continues to fill our offices and a proposal for better coordination of the paper and digital worlds.Over the past thirty years, many people have proclaimed the imminent arrival of the paperless office. Yet even the World Wide Web, which allows almost any computer to read and display another computer's documents, has increased the amount of printing done. The use of e-mail in an organization causes an average 40 percent increase in paper consumption. In The Myth of the Paperless Office, Abigail Sellen and Richard Harper use the study of paper as a way to understand the work that people do and the reasons they do it the way they do. Using the tools of ethnography and cognitive psychology, they look at paper use from the level of the individual up to that of organizational culture.Central to Sellen and Harper's investigation is the concept of "affordances"-the activities that an object allows, or affords. The physical properties of paper (its being thin, light