Marc Andreessen's interview with a Substack newsletter was an "experiment," a source tells Insider. The interview generated buzz online as people tried to determine whether it was real. Taylor ...

Substack, a platform created largely for newsletters, is rolling out a suite of new video creation and editing tools — a sign of how critical video has become to gaining audience on the internet.

Substack has become synonymous with writers looking to go independent. But for many years prior, there was a different go-to place for self-publishing: Medium. “What we really think about is ...

Substack CEO Chris Best says the company is building a reader app for newsletters on The Verge’s Decoder with Nilay Patel podcast.

Tegan and Sara Detail New Substack, Upcoming Music Projects The duo tell Billboard about their multimedia newsletter "I Think We're Alone Now" and what to expect from their tenth album By Nolan Feeney ...