How does it work for a typical student?
For example, a faculty in math works a problem out on a document camera or on their Tablet PC allowing a student to go back to the exact point they did not understand the concept and play each step back.
The captured content is also accessible on most mobile devices (i.e. iPhone, MP3, MP4, and Laptops) for convenient podcasts and vodcasts that students can take anywhere while doing extracurricular activities.