The document discusses the concept of openness as it relates to contributing, accessing, and using information. It defines openness as being open to contributions and participation, freely accessible, and allowing use and reuse with few or no restrictions. The document outlines several open movements including open access, open source, open content, open education, open data, and open science. Open access specifically refers to literature being freely available online without financial, legal or technical barriers. The document notes some misconceptions about open access and discusses green and gold routes to open access publishing.