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TechCrunch May 4, 2026 at 15:33 Startups Rising Hot

As X shuts down Communities, Acorn debuts an alternative that puts creators in control

Acorn lets organizations build and run their own online communities using decentralized tech, with custom feeds, moderation, and analytics tools.

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By Sarah Perez Original source

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May 4, 2026 at 16:57 TechCrunch

Elon Musk’s only expert witness at the OpenAI trial fears an AGI arms race

Stuart Russell is a long-time AI researcher who thinks governments need to restrain frontier labs.

May 4, 2026 at 16:45 TechCrunch

Sierra raises $950M as the race to own enterprise AI gets serious

The raise gives Sierra more than $1 billion to work with — capital the company says it will use to become the "global standard" for AI-po...

May 4, 2026 at 15:33 TechCrunch

As X shuts down Communities, Acorn debuts an alternative that puts creators in control

Acorn lets organizations build and run their own online communities using decentralized tech, with custom feeds, moderation, and analytic...

Apr 26, 2026 at 05:01 SecurityLab

Солнце ударило дважды за ночь. И половина Тихого океана осталась без связи

Две вспышки X-класса за 7 часов…

Apr 13, 2026 at 05:39 Hacker News

X Randomly Banning Users for "Inauthentic Behavior"

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Apr 3, 2026 at 07:33 SecurityLab

«Голос Америки» и заметки в X. Трамп пытается вернуть борьбу с пропагандой, которую сам же и закрыл

Команда Трампа экстренно восстанавливает службы разведки.

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TechCrunch May 4, 2026 at 16:45 Startups
Rising Hot

Sierra raises $950M as the race to own enterprise AI gets serious

The raise gives Sierra more than $1 billion to work with — capital the company says it will use to become the "global standard" for AI-powered customer experiences.

Signal weather

Momentum is building quickly, so this card is a good early entry point into the topic.

Why now

Fresh coverage with immediate momentum.

TechCrunch May 4, 2026 at 16:36 Startups
Rising Hot

Elon Musk sent ominous texts to Greg Brockman, Sam Altman after asking for a settlement, OpenAI claims

Musk texted OpenAI's president and co-founder saying that he and CEO Sam Altman "will be the most hated men in America."

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Momentum is building quickly, so this card is a good early entry point into the topic.

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Fresh coverage with immediate momentum.

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TechCrunch May 4, 2026 at 16:45 Startups
Rising Hot

Sierra raises $950M as the race to own enterprise AI gets serious

The raise gives Sierra more than $1 billion to work with — capital the company says it will use to become the "global standard" for AI-powered customer experiences.

Signal weather

Momentum is building quickly, so this card is a good early entry point into the topic.

Why now

Fresh coverage with immediate momentum.

TechCrunch May 4, 2026 at 16:36 Startups
Rising Hot

Elon Musk sent ominous texts to Greg Brockman, Sam Altman after asking for a settlement, OpenAI claims

Musk texted OpenAI's president and co-founder saying that he and CEO Sam Altman "will be the most hated men in America."

Signal weather

Momentum is building quickly, so this card is a good early entry point into the topic.

Why now

Fresh coverage with immediate momentum.