Substack’s announcement comes as it is generating increasing coverage, controversy, and competition. The startup, which launched in 2017, has become an object of fascination for the chattering ...

Substack, which was founded in San Francisco in 2017, ... Hasan said he was assured when he joined Substack that it would not “shut down” pro-Palestinian speech, for example. Image.

Substack is establishing itself as a neutral provider of content, Professor Usher said, but that also sends a message: “We’re not going to try to police this problem because it’s complicated ...