It's because decentralization is taking place everywhere on the media value chain.
Production - Blogging, podcasting, 10-mega pixel digital cameras, camcorders
Marketing - The audience hear about and are choosing what media they want through peer recommendation instead of through the controlled and pushed messages as in the past. The chances are if your friends like this one video clip, you'll probably watch it, too. YouTube, MySpace, Cyworld, Daum TV Pot, blogs... you name it.
Distribution - P2P, YouTube, MySpace, Cyworld, Daum TV Pot, blogs... you name it.
Consumption - There are tons of devices out there today. There are tons of channels out there today. The audience want the media right where, when, how they want it. And they're getting it right where, when, how they want it.