820,000 people listened to a podcast in 2004 according to Bridge Ratings. 4.5 to 5 million will in 2005. That's almost a 500% growth rate. By 2010, 63 million listeners are projected. 

The average podcast user downloads  6 podcasts a month and spend 4 hours a month listening.

Bridge also reports 1) more and accelerating interest in all forms of digital media 2) good websites that stream media and podcasts drive radio station listener loyalty. The pattern is clear. Online is providing a key to unlocking new consumer behavior. No more one size fits all. Consumers can organize different forms of media, different ways of listening and different methods of responding to suits them. That's important to know and understand.