Book excerpt: Keeping Found Things Found: The Study and Practice of Personal Information Management is the first comprehensive book on new 'favorite child' of R&D at Microsoft and elsewhere, personal information management (PIM). It provides a comprehensive overview of PIM as both a study and a practice of the activities people do, and need to be doing, so that information can work for them in their daily lives. It explores what good and better PIM looks like, and how to measure improvements. It presents key questions to consider when evaluating any new PIM informational tools or systems. This book is designed for R&D professionals in HCI, data mining and data management, information retrieval, and related areas, plus developers of tools and software that include PIM solutions. - Focuses exclusively on one of the most interesting and challenging problems in today's world - Explores what good and better PIM looks like, and how to measure improvements - Presents key questions to consider when evaluating any new PIM informational tools or systems