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

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 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.

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 ...