Like countless venture-funded start-ups before it, Substack is “disrupting” the media industry. The newsletter service is siphoning off high-profile talent with a promise of independence and bigger paychecks. But the platform’s influence might reach far beyond the media. Will Substack change the way we think about online creators and their audiences? Can it create a new kind of relationship between them? Guest:    Charlie Warzel, writer of Galaxy Brain  Host Lizzie O’Leary   Learn more about your ad choices. Visit megaphone.fm/adchoices