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Research notes

Prospecting methods, controls, and measurement

2026-09-16 · Julian Hartwell

Show the Assumptions in a Client Cold Email

Use a sample cold email to a potential client as a decision framework: verify fit, state a bounded reason for contact, make a modest ask, and preserve revi

2026-09-14 · Julian Hartwell

Choose the Smallest Truthful Subject Line

Find the best cold-email subject line for a specific recipient by matching verified context to the body, avoiding false urgency, and testing qualified outc