It is important to separate as best we can media assets used in education, into assets that are of long term value, and those which we create as a dynamic part of the learnign experience.
We therefore distinguish between two types of media:
Long term stable media assets need to be treated separately from the assets that are created as part of a more fluid educational process.
Education For All — The Student Story - a Youtube playlist on Al Jazeera English - youtube.com