Substack’s new tool tells you who’s been writing their newsletters with AI

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.
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How Substack became the hottest social media platform

While TikTok and Instagram reels make headlines, Substack has been racking up cool‑girl points in the background. Founded in 2017, Substack has grown into something culturally potent. By 2025, the ...
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Platformer’s Casey Newton on surviving the great media collapse and what comes next

Posts from this topic will be added to your daily email digest and your homepage feed. The editor of the popular tech newsletter talks about leaving Substack and where he’s seeing successful business ...