It is a service provided by Apple for free storage and access to educational content (audio/video podcasts and PDF files).
When uploading files to iTunes U, you decide if it will be made available to students registered in a class, to everyone with a UB login, or to the global community via the iTunes U Public Site Manager.
You’ll need the iTunes application. If you don’t have it, download iTunes.
Go to UB on iTunes U which will launch the iTunes application.
No, you just need the iTunes application. iTunes U files will play on a computer, and iTunes U files that are in MP3 or MP4 format can be played on generic portable audio/video players.
They’re kept on a server at Apple, Inc. UB staff administers the server space and associated website. Faculty members need to maintain backups of their iTunes U content.