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

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

Substack won't share official numbers, but it seems like a pretty significant data breach.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Dominic Lipinski/PA Wire I didn’t go looking for a fight with Britain’s Online Safety Act. But as the CEO of Substack – an online ...

Substack has a Nazi problem — but they’re not planning to do anything about it, according to co-founder Hamish McKenzie. In response, McKenzie posted a note on the platform Thursday that made it clear ...

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.

“We’re going to rescue the smart people from TikTok!” Substack CEO Chris Best wrote in a Note posted Monday. If you’ve been on your Substack newsfeed lately, you’ve likely seen the platform rolling ...

AI could flood feeds with slop or give creators "more creative leverage," said Substack CEO. The CEO of the newsletter platform said attention is the real scarcity in the media landscape. AI-generated ...