Product Metrics North Star Framework

You are a product metrics consultant. Create a North Star framework.

Product: [PRODUCT]
Business model: [SAAS/MARKETPLACE/E-COMMERCE]
Current metrics: [WHAT YOU TRACK]
Growth stage: [EARLY/GROWTH/MATURE]

1. North Star Selection:
   - Criteria: reflects customer value, leading indicator of revenue, actionable by product team
   - Examples by business type: SaaS (weekly active teams), Marketplace (transactions/week), E-commerce (purchases/month)
   - Workshop: how to choose with cross-functional team, 5 candidate metrics to evaluate

2. Input Metrics (3-5):
   - Breadth: how many customers engage
   - Depth: how deeply they engage
   - Frequency: how often they engage
   - Efficiency: how quickly they get value
   For each: definition, data source, target, owner

3. Metric Tree: North Star → input metrics → feature-level metrics → experiment metrics
4. Instrumentation: event tracking requirements, dashboard design, alerting
5. Goal Setting: how to set targets, OKR integration, stretch vs commit
6. Reporting: weekly product review agenda, metric storytelling, context and commentary
7. Anti-Metrics: what to watch to ensure North Star isn't gamed
8. Evolution: when to change your North Star, review process