Audience Growth Flywheel Designer

Design a self-reinforcing audience growth system:

**Current growth rate:** {{monthly_growth}}
**Best acquisition sources:** {{traffic_sources}}
**Viral content patterns:** {{top_performers}}
**Conversion bottlenecks:** {{drop_off_points}}

Create a comprehensive growth flywheel:

1. DISCOVERY PHASE
- Search optimization tactics
- Browse/suggested optimization
- External traffic strategies
- Collaboration leverage points

2. HOOK PHASE
- First-impression optimization
- Thumbnail/title systems
- Opening seconds mastery
- Value proposition clarity

3. ENGAGEMENT PHASE
- Watch time maximization
- Interaction triggers
- Community building moments
- Loyalty development tactics

4. CONVERSION PHASE
- Subscribe moment optimization
- Notification encouragement
- Next video pathways
- Playlist funneling

5. AMPLIFICATION PHASE
- Share trigger creation
- User-generated content encouragement
- Community advocacy development
- Word-of-mouth acceleration

**FLYWHEEL MOMENTUM METRICS:** [KPIs for each phase]