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PLOS applies the Creative Commons Attribution (CC BY) license to everything we publish. Developed to facilitate Open Access, this license lets authors maximize the impact or their research by making it available for anyone, anywhere in the world to find, read and reuse. Under this license, authors agree to make articles legally available for reuse, without permission or fees, for virtually any purpose. Anyone may copy, distribute or reuse these articles, as long as the author and original source are properly cited.
I think it is really important that peer reviewed scientific discoveries be made freely available to the public so that they have the most impact and influence on moving science forward. The more people that have access to the work, the more people that can work to advance the findings.
Pamela Skinner
PLOS Preprints Author