Randy Dotinga writes: "... But podcasting is turning conventional wisdom about TV broadcasting on its head as thousands of people sign up to download and listen to free, audio-only versions of their favorite shows or special MP3-only programming. ¶ A weekly podcast of Meet the Press regularly makes the iTunes list of the top 100 podcasts. Nightline has lured a regular audio-only audience of listeners content to take in the show without commercials or glimpses of Ted Koppel's majestic hair helmet. ABC News also offers The AfterNote, a podcast-only show about politics based on its influential newsletter, and ABC News Shuffle, a "random" mixture of news stories about topics ranging from Steve Jobs to the runaway bride's community service. ..." Link: Wired.