Today in the business of podcasting: Podcasts caught in the crossfire of a legal spat with Spotify, publishers are relying less on total ad revenue as a measuring stick, tweens are hosting podcasts, young Americans follow partisan lines when it comes to podcast listening, and your audience doesn't need you anymore. Reminder: The next flagship study from Sounds Profitable debuts THIS Wednesday, April 16th, at 2 p.m. EST in a live webinar hosted by Tom Webster. The Advertising Landscape is the largest survey ever fielded on podcast advertising effectiveness in the U.S. Be among the first to see information from the first part, and receive the slides directly once the presentation is over, by registering now!  Find links to every article mentioned here on Sounds Profitable.