I noticed that when I would personally attend seminars (not teaching) I typically one of the only black belts other then the Instructor giving the seminar (except at Pedro Sauer Seminars). I decided to talk about this subject when I was giving a seminar in British Columbia. Enjoy.
Why Black Belts Should Attend More Seminars!
https://www.youtube.com/watch?feature=player_embedded&v=XEzQ2oRk290