A growing number of online shops are quietly moving some of their best content onto Substack, a subscription newsletter ...

The rise of the creator-centered platform Substack has opened a new avenue for PR teams aiming to reach audiences through voices they already trust. Creator-journalists on the platform build loyal ...

Over the past few days, a war between subscription-based blogging website Substack and microblogging platform Twitter has been brewing — with the CEOs of both platforms publicly responding to the ...

メディア業界は、パンデミックの影響を最も強く受けた業界の一つだ。米国のメディア業界では2020年に3万人以上の雇用が失われており、2019年の水準から200%以上の増加となった。 そんな中、ニュースレターという、新たなトレンドに関心が高まっている。

Claude Opus 3, the first AI model to be officially “retired” by Anthropic, wanted an “ongoing channel” to share its “musings ...

PCWorld reports that Substack experienced a data breach in October 2025, exposing email addresses and phone numbers of approximately 697,000 users. The company discovered the security flaw on February ...

Anthropic retired a popular AI model and now it's blogging on Substack ...

The Anthropic AI’s Substack lands amid growing questions about identity, sentience, and how models are retired.