Google Podcasts will close June 23; Libsyn Ads reports a slight drop in CPM. Sponsored by Supporting Cast. Don't lock your members into one platform! With Supporting Cast, YOU own your podcast subscription and control the subscriber relationship. And it's completely white-labeled, so your brand is always front and center. Learn more! Visit https://podnews.net/update/spotify-number-one for the story links in full, and to get our daily newsletter.