Twitterでは4月7日ごろから、メルマガ配信サービスSubstackのコンテンツリンクを含むツイートを制限されていると、多数のユーザーが報告した。Substack.comへのリンクのツイートは可能だが、そのツイートをRTまたはいいね！しようとすると「このツイートでは ...

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 ...

As newsletter upstart Substack emerges from a stellar year, co-founder and CEO Chris Best said he wants the platform to become a one-step shop for writers — and to continue being a space for freedom ...

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 ...

Substack CEO Chris Best says AI could flood the internet with slop — or give creators leverage to spark a cultural renaissance.Stephen McCarthy/Sportsfile for Collision via Getty Images AI could turn ...

AI could turn the internet into a mindless click machine — or fuel a cultural comeback, says Substack's CEO. Chris Best, the cofounder and CEO of Substack — the online platform best known for its paid ...

The digital publishing platform Substack has told some of its users that their data was stolen in a security breach. The affected account holders had their email addresses and phone numbers scraped in ...