Movement to fully open-access electronic scholarly publication has been hampered by the conflicting interests of universities, private publishers, researchers themselves, and those who fund research. The situation interacts strongly with traditions regarding peer review and the ways in which researchers establish stature within their fields. Progress to date has led to seemingly awkward and probably transient systems of dual publication or dual publication status, including green, gold, and hybrid open access. There are also efforts to establish pay-to-publish as the standard model to...