Publishers play a significant role in shaping the landscape of online learning by creating and distributing educational content. They develop and publish textbooks, e-books, and other educational materials that are used in online classes and by self-paced learners. Additionally, some publishers also provide online learning platforms and tools for educators and students. They also create and curate educational content for different levels and subjects. Furthermore, publishers also play a role in setting industry standards and quality control for online education.