Casting conventional wisdom aside

There are ten new flavors of broadcasting that all provide an opportunity to get the message out: Screencasting, Webcasting, Photocasting, Podcasting, Vidcasting or Vodcasting, Skypecasting, Mobilecasting, Textcasting, Coursecasting, and Blogcasting.
Are you lost yet? There's a nice site that explains each of them in plain English.