Downloading and playing media files has been one method of delivering information to an internet audience. A few years ago though, a new method was invented that allows media to stream from a server through a client machine. Audio will work fine to these low bandwidth connections, as will slideshow presentations with audio narration. There are new tools that we are evaluating right now, including TAG, Grins, and Windows Media Author. All of these are supposed to allow us to create synchronized multimedia projects that can be streamed.
None seem to be very easy to use.
Live and prerecorded lectures. Freedom from place and time. These materials can be accessed outside of class, allowing students who cannot attend for time or geographic reasons to view them. Allows students to review until content is completely understood. Viewing outside of class can save valuable class time.