This presentation, given at the ASAPbio workshop, January 20, 2020 [1], reports on policies and practices of preprint platforms relevant to the life and biomedical sciences, as surveyed during 2019 [2], in the context of continued growth in preprint posting in biology [3] and previous recommendations and guidelines by funders and other stakeholders [4]. The original presentation is viewable online using Google Slides: https://docs.google.com/presentation/d/1lyeUQfPF_OPYNo9Nv8hGX1iUm2pEtg2Eu2akN2DVTug/edit?usp=sharing. Jessica Polka took notes during the presentation, which are available from the workshop live notes at https://docs.google.com/document/d/1Offi9tUGe9K0XaBnWaRcyt2jyoh2e0BdzFcCsEoV1vk/edit#heading=h.yld3x5hkmzd8 and also recorded in the Google Slides version slide notes for slide 1. [1] https://asapbio.org/meetings/preprints-roadmap-2020 [2] Penfold, Naomi C, Murphy, Fiona L M, & Kirkham, Jamie J. (2020). Practices and policies of preprint platforms for life and biomedical sciences (Version 1.0) [Data set]. Zenodo. http://doi.org/10.5281/zenodo.3612693 [3] Data presented here was compiled by Jessica Polka and is current viewable at https://docs.google.com/spreadsheets/d/1c1WzYIoLhzY09AkwyhSVDtan3oYV8qrHa3WgPHAeVVM/edit?usp=sharing; original data (to be updated): Penfold, Naomi C, & Polka, Jessica. (2019). Preprints in biology as a fraction of the biomedical literature (Version 1.0) [Data set]. Zenodo. http://doi.org/10.5281/zenodo.3256298 [4] https://asapbio.org/meetings/preprints-roadmap-2020/background-information ASAPbio (https://asapbio.org) is a scientist-driven non-profit promoting transparency and innovation in life science communication and receives funding for preprints-related work from: The Wellcome Trust (UK); Chan Zuckerberg Initiative (USA); Howard Hughes Medical Institute (USA); Simons Foundation (USA); Medical Research Council (UK); Canadian Institutes of Health Research (CA). Members of this group were involved in determining the practices, features and policies to survey in [2]. More information about this group is at https://asapbio.org/member-advisory-group.