Access to knowledge (A2K) is essential for promoting human rights, economic and cultural development, innovation, individual freedom and creativity.  The Third Access to Knowledge conference (A2K3) will bring together scholars, policymakers, industry, and civil society to discuss key issues in global knowledge policy.  Topics will include: the history, impact, and future of the global A2K movement; the relationship between A2K and human rights; A2K and the WIPO Development Agenda; the impact of international trade rules on A2K; copyright exceptions and limitations in the information society; open business models; research and capacity building for A2K; prizes as alternatives to intellectual property monopolies; promoting open access to science and research; technologies of access such as community wireless, open source, and open standards; and public mobilization in the networked and digital global public sphere.