# AI to ROI

**Source:** Ray Rike and Peter Buchanan · **Published:** Sep 30, 2026 · **Format:** Newsletter · **Category:** News and commentary
**Measures:** Cost

A weekly issue with an AI story, report, metric, and use case of the week, plus a Saturday news roundup. The authors also publish the Big Book of AI Metrics, a standing collection of 81 metrics. Also on Substack.

**Useful for:** Building methodology

Source: https://www.linkedin.com/newsletters/ai-to-roi-7370113665556979712/