In Chapter 2, "What's Wrong with Paper" there are a pair of case studies on companies that went paperless. In the success case study, there was an interesting observation: the company that succeeded in going paperless discovered that their design process documents

became less and less important, losing life as time passed by. In terms of using these documents to trace decsions and aid recollection in future design processes, DanTech found that they were hardly ever reused or retreived. This is not because DanTech did not learn from its design processes and constantly endeavor to improve; it was rather that the learning and knowledge were embedded in the minds of DanTech's design staff, not in the documents those individuals produced. In other words, despite the manager's best efforts to leverage the knowledge in their documentation, ultimately the knowledge resided in the minds of the engineers