Podblaze.com released a 20 page white paper focused on education and showing the value of Podcasting.

Table of Contents:

   1. Podcasting Defined
   2. The History of this New Media
   3. Who is Listening
   4. Market Overview
   5. Marketing Benefits
   6. Podcasting Trends
   7. Podcasting Visibility
   8. How To Create Podcasts
   9. Podcasting Best Practices
  10. Corporate Podcasting
  11. Technical Overview
  12. Podcasting Examples
  13. Podcasting Tools
  14. Podcasting Resources
  15. Summary

Link (via Steve)