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The Four-Day App That Taught Podcasts to Answer Back
Castbox started as a holiday-weekend Android experiment. Its lasting bet was stranger and more useful: if every spoken sentence could become an index, a podcast library could behave less like radio and more like the web.
Marco Arment
Marco Arment is an independent iOS developer, podcaster, and blogger best known for building Overcast (a leading podcast app), co-founding Tumblr, and creating Instapaper. He co-hosts the Accidental Tech Podcast (ATP) with John Siracusa and Casey Liss, and writes at marco.org. His career is defined by principled solo craftsmanship - he operates Overcast entirely alone with no investors or employees, maintains a fierce privacy stance in his apps, and is famous for once pulling a #1 App Store app (Peace) after 36 hours on ethical grounds.