Apple has posted an introduction video to iTunes U. If you are still not quite sure what it is and how to use it, the video covers it all. You can check out the video here:
An Introduction to iTunes U
If you are interested in checking out SMU on iTunes U, it’s available here: iTunes.smu.edu
Wow! Thank you! I always wanted to write in my site something like that. Can I take portion of your post to my blog?