TW

Twenty Thousand Hertz

Dallas Taylor

Age of Audio: The Inside Story of Podcasting

May 18, 202642 min
Summary

In this episode of Twenty Thousand Hertz, the show explores the evolution of podcasting, tracing its trajectory from a niche technological experiment to a global cultural phenomenon. The narrative highlights the invention of RSS by Dave Weiner and its adaptation for audio by Adam Curry, which enabled the time-shifting of broadcasts. This technological foundation allowed creators to bypass traditional radio gatekeepers and reach specific, dedicated audiences. The episode delves into the diverse influences that shaped the medium. It details how the storytelling style pioneered by Ira Glass on This American Life redefined audio narratives, while comedians like Mark Maron demonstrated the potential of long-form, candid interviews. The discussion emphasizes the role of watershed moments, such as the breakout success of the series Serial and the historic moment when a sitting U.S. President appeared on a podcast recorded in a garage. Furthermore, the episode examines the rise of independent networks like Radiotopia and the shift toward professionalized production houses, illustrating how creators have sought to maintain artistic control while building sustainable careers. Ultimately, the episode serves as a comprehensive look at the spirit of independence and experimentation that continues to define the podcasting landscape.

Updated Jun 30, 2026

About This Episode

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

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