According to this article on Publish.com (a Ziff Davis company) Feedburner claims they now distribute more podcasts than there are radio stations on the planet. Feedburner was only founded in 2003- while the invention of the radio was in the late 1880's. I wonder if XMS and others count in the numbers as well. Either way it is yet another example of how media is changing at the speed of light.
I kinda feed bad for product development folks in the industry who not only need to keep up- but need to find that next big thing. I know we are constantly bombarded with requested from customers for inclusion of new media whatever the flavor of the month it is. I even tend to be a big mouth about what i want to see in our products (me a big mouth you ask ;-)...I was recently speaking to a new colleague about the fact that over the last year and a half i have been extremely impressed with our product release cycles (i have been at Factiva for 7 yrs)- we delivered RSS very early on, we are monitoring blogs and other web content and are now looking at other types of media- very exciting