Paid newsletters are an increasingly popular way for authors to keep in touch with their readers. Are they for you? The Alliance of Independent Authors' Self-Publishing News podcast looks at new options for monetizing social media content such as Twitter super followers and Tumblr posts. News Editor Dan Holloway and News and Podcast Producer Howard Lovy discuss new ways for indie authors to diversify income streams. Also, do Substack's subscription newsletters offer a real opportunity or a distraction?