Blog

Notes from the
inbox frontier.

Essays on agentic email, agent identity and what happens when software learns to correspond.

Essay · Aug 2026

The Evolution of Email: From RFC 821 to Agents

Fifty years of stasis, then a new species of tenant arrives. Why email was never really about humans — and what changes now.

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Coming soon

Deliverability is a Product Feature

Why most agent email dies in spam, and the exact alignment posture that keeps ours out.

Soon
Coming soon

Personas Are Prompting's Missing Half

How pixasocial's psychological personas turn an inbox into influence.

Soon