The thing that is most frequently overlooked by people when they first learn about OER is the difference / nuance between revise and remix. After our class discussions and what you've read is it clear why there are 4Rs and not just 3? In other words, why aren't revise and remix both contained in a category with one name or the other?I have thought about this question as I have reviewed the materials a third time. My best answer to his question about the difference between revise and remix is that I think the main difference is in the content that exists following the completion of the revision or remixing.
It is my understanding that the revision is taking the same content and revising it for communication through a different language or medium. The content is exactly the same, it is just revised to be effectively communicated through the means that required its revision.
Remixing on the other hand, results in a product at the end of the activity that adds additional content, incorporating the original content into some new aggregated product. So the content after remixing differs from the original content.