Andy Beach's Engines of Change

Andy Beach’s Engines of Change

Who Answers the Door

Meta and Sierra draft the handshake, OpenAI redraws the screen, SpaceX rents the model, and Meta prices the way out

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Andy Beach
Oct 09, 2026
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The past few weeks have seen the AI fight pivot to personal agents. SpaceX’s Grok Bot arrived in August, Meta followed with Muse in early September, OpenAI has been building toward an agent of its own, and newer names like Instinct have emerged alongside them. Each of these agents shows up at a business carrying some version of the same credential, the say-so of the person who sent it, and for most of September the market ran on the assumption that this was enough. The user approved the task, the agent held the login, and the booking or the purchase or the cancellation would go through. Amazon ended that assumption on September 20, when it told customers that Muse would no longer be allowed to shop for them. The user’s yes had met a second party with a vote.

The block and the privacy worry are the same problem seen from two ends. Amazon’s objection was that Muse moved through account pages and purchase history without identifying itself, which the company described to GeekWire as an un…

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