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AI assistants are sold on one promise: tell them where you want to go, and they book it. United Airlines just said no.

What United changed

• The rule: personal AI agents can still show you United flights, but they cannot complete the transaction. Per Engadget, it covers United's website, third-party travel agencies and flight aggregators.
• Reason one, your data: handing an agent your payment details or login can lead to "unintended purchases, account changes or use of MileagePlus miles," United says.
• Reason two, the rules: Department of Transportation and FAA requirements. United says only a human can acknowledge that their bag does not contain explosives.
• Reason three, the business: "To be honest, I don't want to create another middleman," CEO Scott Kirby said at an event on Tuesday, according to the Wall Street Journal.
• Not final: United says it sees the opportunities as third-party agents advance and could reconsider.

Who else: JPMorgan Chase and Amazon block agents, and eBay appeared to block them from browsing. Southwest went the other way and built a plugin to book flights with ChatGPT.

The demand is small so far: in Halloween week Uber handled 320 million trips and deliveries; AI agents booked 500 Uber Eats orders and four rides.

For builders: if your agent buys things for people, plan for the sites that will refuse it. Show the options, then hand the last click back to the human.

Nvidia

Nvidia's board is reportedly preparing to oust Jensen Huang, the co-founder who has led the company for 33 years, the Wall Street Journal reports. On Sunday Huang admitted an affair with a woman US intelligence suspects is a Chinese spy; on Wednesday the New York Times reported a second affair, with an Nvidia executive who reports to him. The stock fell about 8% after hours and is down about 11% in five days. Huang has about 60 direct reports and there is no obvious successor or succession plan. House Republicans say Congress is ready to subpoena him over the spy allegations.

Security

• Microsoft's 1,259 fixes: the November Patch Tuesday is the second month in a row above 1,000 flaws. The one to act on: an Outlook bug (CVE-2026-124194) that is already exploited. A crafted message file makes Outlook connect to an attacker's server without the usual warning and can leak your NTLMv2 hash, enough to sign in as you. Microsoft rates it Moderate; CISA set November 24 as the deadline for federal agencies.

Research

• AlphaGenome 2: Google DeepMind's new model predicts how a DNA variant affects each cell type and state. Trained on more than 100 million single-cell profiles across 68 tissues, it finds nearly twice as many expression-changing variants as the previous best model, and can predict for cell types it was not trained on.
• Helsing Clarity: the German defense company unveiled an agent-based platform that turns sensor feeds and reports into target recommendations. A human must authorize every handoff to a weapons system and each decision carries that person's name. The Decoder's caution: in practice human review often shrinks to seconds.

Money

• RL environments to China: a ChinaTalk investigation found at least nine US data firms selling about $500 million of training data, including reinforcement learning environments, to Chinese labs. The buyers pick the same products sold to OpenAI and Anthropic, so they know the data works. Export controls barely apply.
• TSMC's $1B: up to $500 million in OpenAI preferred stock and $500 million of Anthropic shares at the IPO price (Ars Technica). Analysts warn that circular financing among investors, suppliers and customers makes real demand harder to read.
• CoreWeave: Q3 revenue of $3.66 billion, up 168%, with a $709 million net loss and $846 million of interest. It expects about $9 billion in customer prepayments and deposits over the next three months, against a $132.5 billion backlog.
• Fractile: the British chip startup, which stacks DRAM on top of each chip, raised a $720 million Series C and plans to ship its first chips and systems next year.

People

• Meta: Santosh Janardhan, its longtime head of infrastructure, who joined in 2009, is stepping down. Dave Brown, 19 years at Amazon, replaces him.
• Main story today: Gemini Decision 1, Google's new model that never writes a word and answers up to 1,000 questions in one pass. Our full story is on the channel.

The through-line

Who holds the last click. United keeps it from agents, Helsing promises it to a named human, and Nvidia's board is deciding who holds it at the top.

One thing to do today: patch Outlook, and do not open message files you did not expect.

Sources covered

1 story · 104 sources (59 news, 38 company, 7 voices)

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