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TechCrunch Apr 23, 2026 at 21:00 Startups Rising Hot

Bret Taylor’s Sierra buys YC-backed AI startup Fragment

Sierra, the AI customer service agent startup founded by technologist Bret Taylor, announced today that it has acquired the YC-backed French startup Fragment.

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By Dominic-Madori Davis Original source

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Apr 23, 2026 at 21:00 TechCrunch

Bret Taylor’s Sierra buys YC-backed AI startup Fragment

Sierra, the AI customer service agent startup founded by technologist Bret Taylor, announced today that it has acquired the YC-backed Fre...

Apr 9, 2026 at 17:20 TechCrunch

Sierra’s Bret Taylor says the era of clicking buttons is over

Last month, Sierra launched Ghostwriter, an agent designed to build other agents. With this “agent as a service” tool, the startup intend...

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TechCrunch Apr 9, 2026 at 17:20 Startups
Stable Warm

Sierra’s Bret Taylor says the era of clicking buttons is over

Last month, Sierra launched Ghostwriter, an agent designed to build other agents. With this “agent as a service” tool, the startup intends to replace traditional click-based web...

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TechCrunch Apr 23, 2026 at 21:33 Startups
Rising Hot

These are the countries moving to ban social media for children

Australia was the first country to issue a ban in late 2025, aiming to reduce the pressures and risks that young users may face on social media, including cyberbullying, social ...

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TechCrunch Apr 23, 2026 at 21:33 Startups
Rising Hot

These are the countries moving to ban social media for children

Australia was the first country to issue a ban in late 2025, aiming to reduce the pressures and risks that young users may face on social media, including cyberbullying, social ...

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.