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A recent article titled \href{https://www.authorea.com/users/2/articles/19261/_show_article}{The spin rate of pre-collapse stellar cores: wave driven angular momentum transport in massive stars} was written on Authorea and submitted to the Astrophysical Journal (ApJ) and to the \href{http://arxiv.org/abs/1502.07779}{arXiv}  as a pre-print also on the \href{http://arxiv.org/abs/1502.07779}{arXiv}. pre-print.  While waiting for a peer review from the ApJ, the authors want to test Authorea as a platform for \textbf{open peer-review}. By going to the document's page, you can comment on a section, observation, sentence, or the whole piece. The authors and other commenters can respond and further the discussion. And it's all out in the open, \href{https://www.authorea.com/users/3/articles/6316/_show_article}{just how science was meant to be}.