 GreyNet together with INIST-CNRS have designed the format for a metadata record, which encompasses standardized PDF attachments of the full-text conference preprints, PowerPoint presentations, abstracts, biographical notes, and post-publication commentaries.GreyNet's collection of over 270 conference preprints is both current and comprehensive.Comment from Peter Suber, "Open Access News" (Thursday, January 29, 2009)