In Clear Focus this week: Some of the secrets of successful podcast advertising are revealed by industry expert Heather Osgood, the host of The Podcast Advertising Playbook and founder of True Native Media. With the medium seeing a boost in listenership this year, Heather explains how her company connects podcast producers with advertisers, why she is excited about Spotify's big investments in podcasting, and offers practical tips for media planners looking to add podcast ads to their buys.