Colleges are increasingly assigning digital books and study tools instead of paper textbooks. But one electronic option in particular has come under criticism from some student advocates. That model is called inclusive access, in which colleges have contracts with education publishers to provide required digital texts and study tools at a discount. Then, colleges automatically bill students when they enroll, as part of their tuition.
https://www.nytimes.com/2020/02/28/your-money/college-digital-textbooks.html