After reading my last edition of Wired, I was struck with all the similarities between the One-Minute Media and the recent trends in e-Learning Rapid Development. You can read the articles at http://www.wired.com/wired/archive/15.03/snack.html.
Many tools exist for teaching SMEs and IDs who want to share their daily chunk of instruction. The simplest expression of RD is building a MP3 using Audacity (http://audacity.sourceforge.net/). Find a music loop for your intro and you are done! Last week, I built seven 40-second MP3s from capture to publishing in less than one hour--without prior experience with the software.