Steve Goldstein spoke to Christiana Brenton for the Amplifi Media blog. Amplifi Media writes about audio transformation: you can subscribe for free. At the IAB Podcast Upfront a few weeks ago, Acast’s U.S. Head of Sales and Brand Partnerships, Christiana Brenton, took a twist beyond the usual ‘podcasts are great’ story. Christiana made a compelling case about how the dominance of dollars through a handful of podcasts damages the business. Brenton told the crowd that 44% of the advertisi...