For post-secondary schools, the coronavirus pandemic has spurred a paradigm shift in teaching and learning, as courses have migrated online. Because of this, universities now have the chance to save students huge sums of money by ramping up the creation and use of open educational resources (OER), particularly open textbooks.
https://nationalpost.com/opinion/kyle-hiebert-in-the-covid-19-world-open-source-textbooks-are-the-way-of-the-future