We are now faced with numerous examples of the use of the word ‘open’ in the context of education. There are open schools, open universities, open participatory learning infrastructures (OPLI), open courseware (OCW), massive open online courses (MOOCs), open educational resources (OER), open educational …

There's much discussion about being open, with topics such as open source software, open innovation, open research, and open education. Will the whole world be open, and, if so, what was all closed in the past? The authors analyze the similarities and differences between the open movements they've been …