Brian Stelter charts the growth of podcasting with Nick Quah, the founder of Hot Pod and a critic for Vulture. Has the industry "peaked?" Who are the major players? Are podcasts the new blogs? What do Spotify and Pandora's arrival on the scene signify? Quah says "the thing to watch over the next 4 or 5 years is... How does money change the fundamental nature of this medium?"

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