VCs, Superhuman Mail founder share red flags about product-market fit

At TechCrunch Disrupt last week, two founders and a VC discussed how to not just gain an early following but keep one.

OpenAI will cut frontier models off from the internet weeks after one of its engineers said that solution wouldn't work.

The robots, stomping their little feet and making tiny R2-D2 noises, sat, fell down dead for a "nap," and summersaulted on voice command.

TechCrunch Founder Summit 2026 is coming to SoWa Power Station in Boston on November 4, bringing founders, investors, and operators together for a full day of candid conversations, practical...

A new program wants to encourage more startups to allow workers to cash out early by making it easier to transact tender offers.

Hosted by TechCrunch in partnership with Fidelity Private Shares, the full-day event goes beyond fundraising and AI to explore the realities of finding customers, building teams, sharpening a...

Daytona is building a cloud for agents that's like giving every agent its own computer. It has attracted founders of Stripe, Perplextity, Datadog, Mercor, and others as angels, it says.

Top-funded fusion startup Commonwealth Fusion Systems received an $85 million award from the federal government to advance conductors for fusion power plants.

Early-stage and follow-on investors in the AI lab are already sitting on major paper returns.

Quest is the latest in a series of healthcare technology companies that have been hacked in recent months.

Oura alleges in its newest lawsuit that Ultrahuman's Ring Pro infringes two of its patents.

The company plans to begin testing Pony.ai's robotaxis in Kazakhstan's capital in the first half of 2027.

MIT researchers marooned 13 AIs on a virtual island, and they responded by inventing games, mourning a lost ring and, eventually, getting better at their jobs.

A newly launched stock class being offered was partially engineered to help Meta founder and CEO Mark Zuckerberg pay the "billionaire's tax," should the measure be voted into law.

Warhound, the brainchild of Ben Lamm and Palmer Luckey, emerges from stealth to genetically engineer dogs for military and law enforcement.

The digital asset unit, helmed by Chris Dixon, broadens its scope.

Should OpenAI command an over $1 trillion valuation with this round, it would break records as the most highly valued private company ever.

Third Dimension's technology uses AI to match the physical world, which when combined with Rivian's reams of data could turn into a valuable simulator.

Arc was fiercely beloved by a dedicated group of enthusiasts, but it never quite became the mass-market Chrome alternative its makers once envisioned.

At this year’s Disrupt, Lovable GTM lead Luke Arno, Polsia's Ben Broca, and Theory Ventures’ Tomasz Tunguz gave founders some tips on how to achieve true sales success in the first 90 days.