Editors' Picks Articles

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Jeff Rumage Jeff Rumage
Updated on September 23, 2026

Why Is Everyone Freaking Out About Recursive Self-Improvement?

When AI starts rewriting its own code, it may become smart enough to cure diseases — or threaten human existence. Discover how recursive self-improvement works, why top researchers are worried about it and how close we really are.

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Richard Ewing Richard Ewing
Updated on September 23, 2026

Claude Code vs. Gemini Spark: How Do They Compare?

Claude won the terminal. Google is betting on the background.

Image: Shutterstock / Built In
Matthew Urwin Matthew Urwin
Updated on September 23, 2026

What Are Agent Swarms? The AI Breakthrough Sparking New Fears

Agent swarms are groups of AI agents that work together to achieve complex goals that they can’t accomplish on their own. Here’s how they work and how to control them to maximize their benefits and minimize their risks.

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Borislav Stojkov Borislav Stojkov
Updated on September 23, 2026

You Wrote Your Resume for a World That Doesn’t Exist Anymore. Here’s How to Fix It.

A lot of resume advice is driven by anxiety over trying to outsmart applicant tracking systems. But that advice is outdated now.

Image: Shutterstock / Built In
Brooke Becher Brooke Becher
Updated on September 18, 2026

31 Companies With 4-Day Work Weeks

Can less really be more? The four-day work week challenges companies to reframe productivity in terms of output — not hours.

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Sreenivas Vemulapalli Sreenivas Vemulapalli
Updated on September 16, 2026

AI Moves Fast. Don’t Let It Break Things.

AI is an innovation engine, but you need guardrails to make it sustainable.

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Anand S. Anand S.
Updated on September 16, 2026

Can Junior Engineers Survive AI? Chess Grandmasters Have a Lesson.

No juniors mean no experts. But other industries have already solved this problem.

Image: Shutterstock / Built In
Leena Rinne Leena Rinne
Updated on September 16, 2026

What Is Skillfishing, and How Can You Avoid It?

The rise of keyword-driven hiring systems has fueled “skillfishing,” where candidates exaggerate their abilities. Here’s how to avoid it from both sides of the hiring journey.

Image: Shutterstock / Built In
Jeff Rumage Jeff Rumage
Updated on September 16, 2026

Your Next Job Interview Could Be With a Bot. Here’s How to Prepare.

More employers are using AI to screen candidates before they ever speak with a recruiter. Here’s what to expect from an AI interview and how to put your best foot forward.

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Ellen Glover Ellen Glover
Updated on September 15, 2026

Tesla Robotaxis: What We Know About Elon Musk’s Driverless Ride-Hailing Service

Tesla’s robotaxi fleet, powered by new self-driving software, was launched in Texas in 2025. The Cybercab, however, is still pending regulatory clearance and the widespread rollout of unsupervised autonomous driving.

Image: Josiah True / Shutterstock