Earbud Nation: Your favorite podcast hosts can seem like open books — but to them, you're a blank slate. smartboy10/Getty Images hide caption
Brian Reed is the host and co-creator of S-Town. Andrea Morales/The Lippin Group hide caption
Fitness celebrity Richard Simmons, shown onstage in October 2013, has been out of the public eye for years. Todd Williamson/Invision/AP hide caption
Emma Thompson, seen here at the premiere of Bridget Jones's Baby, is just one of the many people who did something wonderful in 2016. Samir Hussein/WireImage/Getty Images hide caption
Pop Culture Happy Hour: In Conversation With Fred Armisen And 'Welcome To Night Vale'
Along with Colton Dunn (L), Harris Wittels (R) played a bumbling member of the Pawnee animal control team on the show he co-executive-produced, Parks And Recreation. Ben Cohen/NBC hide caption
Sarah Koenig and producer Dana Chivvis in the studio. Elise Bergerson/Serial hide caption
Sarah Koenig will, on Thursday, host the final episode of the first season of Serial. Meredith Heuer hide caption
Serial producers Sarah Koenig (left) and Dana Chivvis in the recording studio. Elise Bergeron/Courtesy of Serial hide caption
Columnist Bill Simmons, seen here in February, is suspended for three weeks. Leon Bennett/Getty Images hide caption
Julie Klausner has written for television, traditional media, new media, and Joan Rivers. But she's also a very popular comedy podcaster — a job that, only a few years ago, barely existed. Ari Scott/Julie Klausner hide caption
Stephen Tobolowsky is the star of a fine podcast that's produced 50 episodes so far. Toby Canham/Getty Images hide caption