Several aspects of the proposal, which aims to expand open access, require serious discussion and, in some cases, a rethink.
Image credit: Dave Cutler (artist).
Edited by John RossStanford UniversityStanfordCA approved January 11, 2009 (received for review December 30, 2008)
Author contributions: W.T.B., M.R.P., and J.J.T. designed research; S.K. and W.T.B. performed research; S.K., W.T.B., M.R.P., and J.J.T. analyzed data; and S.K., W.T.B., M.R.P., and J.J.T. wrote the paper.
The authors declare no conflict of interest.
This article is a PNAS Direct Submission.
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