a builder's codex
codex · operators · Eric Seufert

Eric Seufert

Bio

Mobile growth analyst. Writes Mobile Dev Memo — sharp economic-lens analysis of mobile UA, ad-platform earnings, and creative-testing infrastructure. April 2026 essays argue AI multiplies ambition by making segment-level specificity profitable, flattening the Pareto distribution of viable creative variants.

Operating themes

Cards

Sources captured

External

Insights · 2

Tier A · growth · marketing-ops
Meta's MCP endpoints for ad buying turn smaller advertisers into early winners
Tier B · growth · ai-native
AI makes specificity profitable; the Pareto distribution flattens at the long tail
Open the interactive profile → linkedin · website