On the back of my wonder about what exactly is track back. Comes this. Comes in multiple formats including Quicktime for some unknown reason?
abstract reads like this,
Customized collections of learning objects from multiple repositories are achieved with simple, existing RSS protocols, creating access to a wider range of objects than a single source. This provides discipline-specific windows into collections, contextual wrappers via blogging tools, and a system for connecting objects and implementations via TrackBack
Presentation by Alan Levine, Maricopa Community Colleges.