That’s the premise behind a viral Substack essay by James Van Geelen, founder of the Critani Group, who writes from an imagined June 2028 vantage point inside what he calls a “Global Intelligence ...

On Sunday, analysis firm Citrini Research published a thought experiment on Substack that reads like a piece of fiction.

Is AI bullish for the economy, or bearish? Maybe it's so bullish that it becomes bearish. That's the conceit of a viral Substack post from Citrini Research painting a dark portrait of a future scenari ...

Substack says hackers accessed user emails, phone numbers, and internal metadata in October 2025, with a database of 697,313 ...

Substack data breach exposed user email addresses and phone numbers for months before CEO Chris Best confirmed the October ...

Publishing platform Substack and prediction market Polymarket announced a new partnership on Wednesday. The new partnership will allow Substack users to integrate Polymarket’s prediction data directly ...

Substack has allowed for the inclusion of Polymarket embeds into blogs since 2024, and the new update mostly seems like it will streamline the process. Notably, the prediction charts can now be added ...

Substack, the hugely popular online content platform with 50 million active subscribers, has confirmed it has been hacked. Here’s what you need to know.

Substack CEO Chris Best says AI could flood feeds with junk — or empower independent creators to spark a cultural renaissance.

The popular online SF universe from top creators Jonathan Hickman, Nick Spencer, Mike Del Mundo and Mike Huddleston will debut in stores this July.