This document provides an overview of emerging trends in knowledge management, including Enterprise 2.0, Google Wave, and micromessaging. It discusses how Enterprise 2.0 uses social software to improve communication, collaboration, and knowledge sharing in organizations. Google Wave is described as a real-time communication and collaboration platform that incorporates elements of email, instant messaging, wikis, documents, and other technologies. Micromessaging, or microblogging, involves using tools like Twitter internally and externally to share brief messages and updates.