Here's what you need to know from this week in the business of podcasting: Spotify has left the IAB, That Was Us ups the cadence on rewatch podcasts, IAB UK shares data on podcast growth, a new listener habit report from Japan, and GroupM reclassifies a good portion of YouTube as CTV. 

Find links to every article mentioned and the full write-up (along with today's Data Snapshot) right here on Sounds Profitable.