Between 4 and 6 million people are already doing it according to the Pew Internet Report.

All you need is a PC, a microphone and the software to post the recording online.

Audacity (audacity.sourceforge.net) is one of several FREE software programs that you can use.

If you want someone to host your show, for a very small fee try libsyn.com. How does the audience find you? Easy, again. They use software such as ipodder.org to hunt you down. It lets them scan directories and even to subscribe to shows. And, they are doing it.

To listen to a show one uses ipodder. There are directories such as podcastalley.com that offer a variety of programs.

How do you make money off of this? Well, that's easy, too. Include some commercials. Go out and get some computer-cool sponsors and explain to them that you the first in your area doing all this.