Based on a paper presented at the UKSG seminar 'Scientific Publications: Free for all?', The Geological Society, London, Tuesday 23 November 2004
The principle of open access is gaining currency and is not often questioned any more. The discussion has shifted to practical issues of bringing about open access, of which there are many. This shift, however, is progress for open access. Understanding is growing of the exact nature of practical problems, of how the open access publishing model works and what the underlying issues are that objections to the model actually address.