Series A: Diagnosing, Not Optimizing
Activation funnel instrumentation — moments that predict retention
Cohort retention curves — understanding if early users come back
Session replay — seeing where onboarding breaks
Feature flag capability — shipping experiments without full code deployments
Low engineering overhead — minimize time to answer
Series B: Optimizing, Not Diagnosing
Rigorous experimentation — statistical significance, power analysis
Advanced segmentation — company size, ICP fit, feature adoption tier
Predictive churn modeling — identifying at-risk accounts 45+ days out
Data warehouse integration — centralizing product, CRM, and billing data
Cross-functional reporting — CS, sales, and product working from the same numbers