Music of the Blogospheres

A new technology called podcasting is shaking up the world of radio and music. It lets ordinary people create their own audio shows and share them on the internet for free. Anyone with a computer can download these shows onto an MP3 player or iPod and listen whenever they want. This technology is so new and so fast-growing that even tech experts are amazed by it.

Podcasting works through a system called RSS, which stands for Really Simple Syndication. RSS is free software that sends audio files straight to your computer without you having to visit a website. Once you subscribe — which just means you ask for it and costs nothing — new shows arrive on your device automatically. Think of it like getting a newspaper delivered, except it's a radio show, and it's free.

Traditional radio stations are starting to worry. At a big radio conference in Australia, industry leaders warned that young people are listening to radio less and less. Instead, they are using iPods and MP3 players to pick exactly the songs and shows they want. Nick Piggott, a top radio executive from the UK, told the conference that young listeners get frustrated with regular radio because they can't choose what plays.

One of the biggest names in podcasting is Adam Curry. He was once a famous DJ on the music TV channel MTV. Curry helped write the computer code that makes podcasting possible. He says podcasting feels just like the early days of amateur radio, when anyone with a transmitter could broadcast to neighbors.

Curry worked with a software expert named Dave Winer to build the tools that make podcasting easy. Within days of releasing their software last August, people all over the world started using and improving it. Curry says the key to podcasting's success is that nobody owns it. That makes it very hard for big companies to shut it down.

Not everyone thinks podcasting will last. Some critics call it a fad that will disappear quickly. Others, like software engineer Dave Slusher, strongly disagree, pointing out that people said the same thing about blogging before it became huge. He believes podcasting will grow in the same way, since it lets people make shows for small, specific groups without needing millions of fans.

There are also serious legal questions around podcasting. Lawyers and courts are trying to figure out what rules apply when podcasters use music or clips from TV and radio shows without permission. Big media companies may start taking podcasters to court, just as music companies once went after the file-sharing service Napster. Legal expert Ernest Miller says audio copyright fights could be even trickier than fights over written text.

The rise of podcasting is part of a bigger shift in how people use media. Listeners and viewers now want to be in charge — they want to skip ads, pick their own songs, and choose their own news. This is bad news for advertisers, who pay for radio and TV shows to exist. Without ad money, it becomes harder to pay for professional journalists and quality reporting.

Whether podcasting turns out to be a lasting revolution or a short-lived craze, it has already changed the conversation about who gets to speak. It lowers the barrier for anyone who wants to share ideas, music, or news without a fancy studio or a lot of money. As Dave Winer put it, the marketplace of ideas is now open to far more people than ever before. The world is still figuring out what that means.