Petra Hollins

Freelance technology journalist based in Philadelphia covering developer tools, infrastructure, and the business of SaaS. Former staff writer at Protocol, where she covered the email and messaging API space for two years before the publication closed. Her work has since appeared in The Information and Rest of World.

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1 article by Petra Hollins.

• AI email personalization

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  AI Agent Examples: From Reflex Agents to Multi-Agent

  June 29, 2026

  AI agent examples spanning email lifecycle triggers, fraud detection, and customer support: what teams have deployed at scale, what broke, and which patterns survived contact with real systems.