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Microsoft (MSFT) announced Copilot Mode for its Edge browser, turning its traditional browser into an active AI-powered assistant.

Copilot Mode adds conversational voice and chat controls, automatically groups your past sessions into “Journeys,” and can summarize information across multiple open tabs. With permission, it can also draw on your browsing history to personalize results. The feature is launching in limited U.S. preview.

Edge’s new mode puts Microsoft in direct competition with OpenAI’s Atlas and Google’s Gemini-powered Chrome. Atlas is the most radical; it’s a full browser built around ChatGPT and Agent Mode, where the assistant acts, transacts, and navigates for the user. Gemini in Chrome is more incremental, layering AI capabilities onto its existing browser. Copilot Mode lands somewhere between the two; it upgrades the experience but doesn’t re-architect it.

Browsers are evolving into AI workspaces that manage context, history, and tasks. Ultimately, this will change how content is discovered, how ads are placed, and how user data flows. AI-powered browsers will easily interpret intent. Once they are granted the power to act on it, what we understand as the user journey will fundamentally change.

Governance will follow. Using browsing history and multi-tab reasoning raises privacy, compliance, and data-ownership questions. The security issues with agentic browsers will be a serious challenge… but that’s a story for another day.

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