As TikTok's future in the U.S. remains in limbo, startup Substack is going after video creators in a move to expand its platform. The San Francisco startup on Thursday announced that creators can now ...

Substack is giving readers a way to estimate how much of a newsletter was written by AI, signaling a broader shift toward transparency around AI-assisted content.

Smart leaders are building intellectual equity on Substack. Tens of millions of people visit Substack every week. Hundreds of thousands of people write their own Substack newsletters. A few dozen ...

Tens of millions of people visit Substack every week. Hundreds of thousands of people write their own Substack newsletters. A few dozen people are making millions of dollars a year on paid Substack ...