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The Stack

Interviews, insight, intelligence, and exclusive events for digital leaders.

 |  Command Line  | Apr 21, 2026
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Command Line: Inference is breaking the bank, GitHub throttles AI use, GEICO's rethinking its network
 |  AI  | Apr 21, 2026
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GitHub pauses Copilot sign ups, tightens limits as agents stretch capacity
apple  | Apr 21, 2026
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Tim Cook retires, hands over the reins of Apple to its hardware boss
cybersecurity  | Apr 20, 2026
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Vercel breach: GitHub, npm tokens reported stolen
 |  startups  | Apr 20, 2026
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STACKUP: The Stack's weekly tech startups and funding wrap
 |  AI  | Apr 17, 2026
/
British startup gets landmark sovereign AI funding

All the latest

All the latest

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The open-source world is no stranger to the "rug pull." But when Redis, the de facto standard for in-memory data caching, swapped its permissive license for a restrictive commercial one in early 2024, the shockwaves reached every corner of the technology world, including those at hyperscale clouds. Madelyn

Google moonshot spinoff looks to ship city-scale laser Internet.

"Class 1M eye-safe lasers in the unlicensed infrared band (193 THz)"

Walmart’s reshuffles CTOs as CEO touts "Sparky" ROI, automation efforts

"We have a number of locations now that are receiving the majority of their goods from automated facilities."

OpenAI goes old-school channel to sell 'AI coworkers' to enterprises

Build it yourself if you want, OpenAI tells enterprises, or you can buy certified solutions via McKinsey, Accenture, Capgemini, or BCG.

"Getting the right data to ground the answers or scope the actions of an agent is critical; you want to give an LLM the least amount of the most relevant information..."

OpenAI teases a new model capable of real mathematics research

After "chaotic sprint" attempts with rule-breaking human prompting, OpenAI believes it can now beat First Proof type challenges with a simple prompting strategy.

AWS adds “safeguards", denies AI agent caused outage

"An engineer was using a role with broader permissions than expected—a user access control issue, not an AI autonomy issue."

STACKUP: The Stack's weekly tech startups and funding wrap

This week's rounds and milestones.

Texas Attorney General Ken Paxton holding a press conference outside a court building.

TP-Link's Chinese connection a "national security threat" claims Texas AG as Trump mulls a national ban.

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