A substantial body of literature exists on empirical studies and theoreticaldiscussions of information behavior. Taking a literary-warrant approach, we notethat research in human information behavior has investigated a broad range oftopics: information needs, information seeking, looking for information,searching information retrieval systems, browsing information resources, findinginform ation, relevance judgment, information use, information generation, infor -mation communication, information sharing, information transfer, personalinformation management, accidental information encountering, serendipitousinformation,information avoidance, affect associated with information,information habit, information style, and any information-related humanbehavior.