This document discusses using Web 2.0 tools for internal knowledge management. It describes traditional KM approaches as expensive and complex compared to Web 2.0 tools like wikis and blogs, which are cheap and easy to use. Web 2.0 allows bottom-up collaboration but can result in inconsistent information. The document provides examples of companies using internal wikis and blogs and recommends starting with existing communities and experts. It also discusses supporting innovation with tools for idea generation, evaluation and brainstorming.