The history of podcasting has rarely been told. But in this episode, the brightest minds in podcasting reveal the inside story of this medium: from the invention of RSS feeds, through the Gold Rush era of corporate investments, to the bubble bursting, and the rise of celebrity podcasts. Along the way, Ira Glass explains the origins of This American Life and Serial, Marc Maron recounts Obama visiting his garage, Roman Mars lays out his vision for indie podcasts, and so much more. This story was adapted from the feature documentary <a href="https://www.aoamovie.com/">⁠⁠Age of Audio⁠⁠</a>.

Learn about this year’s Listener Stories competition and submit your story at <a href="https://20k.org/2026">⁠⁠20k.org/2026⁠⁠</a>.
For updates on Age of Audio, visit the <a href="https://www.aoamovie.com/">⁠⁠official website⁠⁠</a>, or follow the film on <a href="https://www.instagram.com/aoamovie">⁠⁠Instagram⁠⁠</a> and <a href="https://www.tiktok.com/@aoamovie">⁠⁠Tiktok⁠⁠</a>.
Twenty Thousand Hertz is produced by <a href="https://defactosound.com/">⁠⁠⁠Defacto Sound⁠⁠⁠</a>.
Support the show and get ad-free episodes at <a href="https://20k.org/plus">⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠20k.org/plus⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠</a>.
Subscribe on <a href="https://www.youtube.com/@dallastaylor.mp3?sub_confirmation=1">⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠YouTube⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠</a> to see our video series.
If you know what this week's mystery sound is, tell us at <a href="http://mystery.20k.org/">⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠mystery.20k.org⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠</a>.
Follow Dallas on <a href="https://www.instagram.com/dallastaylor.mp3/">⁠⁠⁠⁠⁠⁠⁠⁠Instagram⁠⁠⁠⁠⁠⁠⁠⁠</a>, <a href="https://www.tiktok.com/@dallastaylor.mp3">⁠⁠⁠⁠⁠⁠⁠⁠TikTok⁠⁠⁠⁠⁠⁠⁠⁠</a>, <a href="https://www.facebook.com/dallastaylorsound">⁠⁠⁠Facebook⁠⁠⁠</a>, and <a href="https://www.linkedin.com/in/dallastaylor/">⁠⁠⁠⁠⁠⁠⁠⁠LinkedIn⁠⁠⁠⁠⁠⁠⁠⁠</a>.
Find out how you can get the iPhone 17 Pro at no cost with an eligible iPhone trade in at <a href="https://att.com/iphone">⁠⁠att.com/iphone⁠⁠</a>, or by visiting an AT&T store.
Sign up for a one-dollar-per-month Shopify trial at <a href="http://shopify.com/20k">⁠⁠⁠⁠⁠shopify.com/20k⁠⁠⁠⁠⁠</a>.
Visit <a href="https://www.quo.com/20k">⁠⁠⁠⁠⁠⁠quo.com/20k⁠⁠⁠⁠⁠⁠</a> for 20% of your first 6 months of business phone software. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

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