OpenAI
ChatGPT Ads expanded to 26 new countries so more advertisers can reach people via ChatGPT. Over 100,000 advertisers have used the platform so far. This increases geographic coverage for paid advertising on ChatGPT.
From local businesses to global brands, more advertisers can now reach people as they explore, compare and decide what to buy in ChatGPT.
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TLDRocket
21 October 2026
The clearest throughline in AI today is agents moving from demos to the parts of life that have receipts, approvals, and liability. Walmart is rolling out an Agent Gateway that lets approved shopping agents browse Walmart inventory and complete purchases on a user’s behalf—while tracking spend per agent and enforcing separate controls for each transaction. Around the same shift in “agent governance by design,” Anthropic introduced Claude Duet, built on Claude Opus 5.5, as a research preview that runs through iOS/Android apps and the web, sending daily briefs and prompting users only when action is needed. Enterprise security is catching up too: Red Hat expanded its partnership with NVIDIA to add runtime and infrastructure enforcement for autonomous AI agents on NVIDIA’s Vera Rubin infrastructure, including BlueField-3 support and Sentry monitoring designed to quarantine a compromised agent in milliseconds.
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