Mathieu Kessler | AI at Work

Oliver Buchannon

Mathieu Kessler

Why Copilot rollouts fail quietly (and a week-long offer)

Jul 14, 2026

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2 min read

Why Copilot rollouts fail quietly (and a week-long offer)

My first dedicated launch to this list, with the honest version of the pitch.

Mathieu Kessler

5 Copilot prompts that survived real PM projects (and 3 that failed)

Mar 10, 2026

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6 min read

5 Copilot prompts that survived real PM projects (and 3 that failed)

Anthropic got blacklisted. Copilot got an agent. And most prompts still ask AI to imagine instead of read.

Mathieu Kessler