This document introduces the concepts of lean analytics and the lean analytics framework. It begins with an introduction to lean startup methodology and emphasizes the importance of testing hypotheses through minimum viable products and the build-measure-learn loop. It then discusses different types of metrics and introduces the lean analytics framework, which focuses on empathy, stickiness, virality, revenue, and scale. For each stage, it provides examples of relevant metrics for different business models. The framework is intended to help companies adopt a lean approach to analytics and product development.