Paywalls, which limit access to content without a paid subscription, block access to scientific research. The Business of Scholarship exposed that even the largest academic publisher, Elsevier, regularly has a profit margin between 35-40%, which is greater than Google’s. Therefore open access is essential to extend knowledge in the scientific community. To make many steps have been taken. Plan S is one of them. Plan S, which requires that scientific publications funded by public grants must be published in open access journals or platforms by 2020. More encouraging steps have to be taken to practice open-access.
Reference Link: https://www.theguardian.com/education/2019/mar/28/paywalls-block-scientific-progress-research-should-be-open-to-everyone