Is podcasting the right medium?

Boreing Boring if you are going to use new media you need a strategy... I know I have said it before.

Here is a reasoned argumnet about the use of podcasting to replace lectures.

David Hearnshaw starts by saying:

Academics should consider what they wish to achieve - and that may require going back to first principles. Often the lecturer wishes to impart facts, concepts, methods and approaches to foster knowledge and critical judgement. And this frequently requires more than words.

What do you think?