# Mostly Metrics

**Source:** CJ Gustafson · **Published:** Sep 30, 2026 · **Format:** Newsletter · **Category:** Practitioner methodology
**Measures:** Cost

A weekly finance newsletter from a former tech CFO, widely read by CFOs and FP&A teams. Useful for how finance leaders budget for and measure AI, more than for any single cited figure.

**Useful for:** Building methodology

Source: https://www.mostlymetrics.com/