David Pogue explores the explosion in popularity of audio podcasts, running the gamut from news and true crime to comedy and knitting. Pogue talks with Alex Blumberg and Matt Lieber, cofounders of podcast production house Gimlet Media; Michael Barbaro, host of The New York Times’ hit podcast “The Daily”; and Ken and Martha Wiseman, retired teachers who record their podcast, “The RV Navigator,” in their motor home.
