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Insights & Ideas

The Journal

Strategies, case studies, and insights from the trenches of growth marketing.

40 AI Agents Every Growth Team Should Have
StrategyJanuary 15, 2026

40 AI Agents Every Growth Team Should Have

Build a complete AI agent arsenal for your marketing team. From content creation to data analysis, discover the specific agents that eliminate bottlenecks and scale your growth operations.

Email Subject Line Testing at Scale with GPT
EmailOctober 30, 2025

Email Subject Line Testing at Scale with GPT

Generate and test hundreds of email subject line variants using GPT-4. Learn the framework for systematic testing, statistical analysis, and 3x open rate improvements in 30 days.